CVE-2022-21127

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

• SECURITY UPDATE: New microcode data file 2022-05-10
  • New microcodes: sig 0x00090672, pf_mask 0x03, 2022-03-03, rev 0x001f, size 212992 sig 0x00090675, pf_mask 0x03, 2022-03-03, rev 0x001f, size 212992 sig 0x000906a3, pf_mask 0x80, 2022-03-24, rev 0x041c, size 212992 sig 0x000906a4, pf_mask 0x80, 2022-03-24, rev 0x041c, size 212992 sig 0x000b06f2, pf_mask 0x03, 2022-03-03, rev 0x001f, size 212992 sig 0x000b06f5, pf_mask 0x03, 2022-03-03, rev 0x001f, size 212992
  • Updated microcodes: sig 0x00030679, pf_mask 0x0f, 2019-07-10, rev 0x090d, size 52224 sig 0x000306f2, pf_mask 0x6f, 2021-08-11, rev 0x0049, size 38912 sig 0x000306f4, pf_mask 0x80, 2021-05-24, rev 0x001a, size 23552 sig 0x000406e3, pf_mask 0xc0, 2021-11-12, rev 0x00f0, size 106496 sig 0x000406f1, pf_mask 0xef, 2021-05-19, rev 0xb000040, size 35840 sig 0x00050653, pf_mask 0x97, 2021-11-13, rev 0x100015d, size 34816 sig 0x00050654, pf_mask 0xb7, 2021-11-13, rev 0x2006d05, size 43008 sig 0x00050656, pf_mask 0xbf, 2021-12-10, rev 0x4003302, size 37888 sig 0x00050657, pf_mask 0xbf, 2021-12-10, rev 0x5003302, size 37888 sig 0x0005065b, pf_mask 0xbf, 2021-11-19, rev 0x7002501, size 29696 sig 0x00050663, pf_mask 0x10, 2021-06-12, rev 0x700001c, size 28672 sig 0x00050664, pf_mask 0x10, 2021-06-12, rev 0xf00001a, size 27648 sig 0x00050665, pf_mask 0x10, 2021-09-18, rev 0xe000014, size 23552 sig 0x000506c9, pf_mask 0x03, 2021-11-16, rev 0x0048, size 17408 sig 0x000506ca, pf_mask 0x03, 2021-11-16, rev 0x0028, size 16384 sig 0x000506e3, pf_mask 0x36, 2021-11-12, rev 0x00f0, size 109568 sig 0x000506f1, pf_mask 0x01, 2021-12-02, rev 0x0038, size 11264 sig 0x000606a6, pf_mask 0x87, 2022-03-30, rev 0xd000363, size 294912 sig 0x000706a1, pf_mask 0x01, 2021-11-22, rev 0x003a, size 75776 sig 0x000706a8, pf_mask 0x01, 2021-11-22, rev 0x001e, size 75776 sig 0x000706e5, pf_mask 0x80, 2022-03-09, rev 0x00b0, size 112640 sig 0x000806a1, pf_mask 0x10, 2022-03-26, rev 0x0031, size 34816 sig 0x000806c1, pf_mask 0x80, 2022-02-01, rev 0x00a4, size 109568 sig 0x000806c2, pf_mask 0xc2, 2021-12-07, rev 0x0026, size 97280 sig 0x000806d1, pf_mask 0xc2, 2021-12-07, rev 0x003e, size 102400 sig 0x000806e9, pf_mask 0x10, 2021-11-12, rev 0x00f0, size 105472 sig 0x000806e9, pf_mask 0xc0, 2021-11-12, rev 0x00f0, size 105472 sig 0x000806ea, pf_mask 0xc0, 2021-11-12, rev 0x00f0, size 105472 sig 0x000806eb, pf_mask 0xd0, 2021-11-15, rev 0x00f0, size 105472 sig 0x000806ec, pf_mask 0x94, 2021-11-17, rev 0x00f0, size 105472 sig 0x00090661, pf_mask 0x01, 2022-02-03, rev 0x0016, size 20480 sig 0x000906c0, pf_mask 0x01, 2022-02-19, rev 0x24000023, size 20480 sig 0x000906e9, pf_mask 0x2a, 2021-11-12, rev 0x00f0, size 108544 sig 0x000906ea, pf_mask 0x22, 2021-11-15, rev 0x00f0, size 104448 sig 0x000906eb, pf_mask 0x02, 2021-11-12, rev 0x00f0, size 105472 sig 0x000906ec, pf_mask 0x22, 2021-11-15, rev 0x00f0, size 104448 sig 0x000906ed, pf_mask 0x22, 2021-11-16, rev 0x00f0, size 104448 sig 0x000a0652, pf_mask 0x20, 2021-11-16, rev 0x00f0, size 96256 sig 0x000a0653, pf_mask 0x22, 2021-11-15, rev 0x00f0, size 97280 sig 0x000a0655, pf_mask 0x22, 2021-11-16, rev 0x00f0, size 96256 sig 0x000a0660, pf_mask 0x80, 2021-11-15, rev 0x00f0, size 96256 sig 0x000a0661, pf_mask 0x80, 2021-11-16, rev 0x00f0, size 96256 sig 0x000a0671, pf_mask 0x02, 2022-03-09, rev 0x0053, size 103424
  • Removed microcodes: sig 0x00080664, pf_mask 0x01, 2021-02-17, rev 0xb00000f, size 130048 sig 0x00080665, pf_mask 0x01, 2021-02-17, rev 0xb00000f, size 130048
  • CVE-2021-0146, INTEL-SA-00528
  • CVE-2021-0127, INTEL-SA-00532
  • CVE-2021-0145, INTEL-SA-00561 -…

This kernel update is based on upstream 5.15.50 and fixes at least the following security issues:

Incomplete cleanup of multi-core shared buffers for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21123).

Incomplete cleanup of microarchitectural fill buffers on some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21125).

Incomplete cleanup in specific special register read operations for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21127, CVE-2022-21166).

For other upstream fixes, see the referenced changelogs.

This kernel-linus update is based on upstream 5.15.50 and fixes at least the following security issues:

Incomplete cleanup of multi-core shared buffers for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21123).

Incomplete cleanup of microarchitectural fill buffers on some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21125).

Incomplete cleanup in specific special register read operations for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21127, CVE-2022-21166).

For other upstream fixes, see the referenced changelogs.

The SUSE Linux Enterprise 15 SP3 kernel was updated.

The following security bugs were fixed:

• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-20008: Fixed bug that allows to read kernel heap memory due to uninitialized data in mmc_blk_read_single of block.c. (bnc#1199564)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-20141: Fixwed an use after free due to improper locking. This bug could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. (bnc#1200604)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a sleep-in-atomic bug that allows attacker to crash linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bnc#1177282)
• CVE-2022-32250: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)

The following non-security bugs were fixed:

• ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default (git-fixes).
• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ACPI: sysfs: Fix BERT error region memory mapping (git-fixes).
• ACPI: sysfs: Make sparse happy about address space in use (git-fixes).
• ALSA: ctxfi: Add SB046x PCI ID (git-fixes).
• ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes (git-fixes).
• ALSA: hda - fix unused Realtek function when PM is not enabled (git-fixes).
• ALSA: hda/conexant - Fix loopback issue with CX20632 (git-fixes).
• ALSA: hda/realtek - Add new type for ALC245 (git-fixes).
• ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS (git-fixes).
• ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop (git-fixes).
• ALSA: hda/realtek: Enable headset mic on Lenovo P360 (git-fixes).
• ALSA: pcm: Check for null pointer of pointer substream before dereferencing it (git-fixes).
• ALSA: usb-audio: Add missing ep_idx in fixed EP quirks (git-fixes).
• ALSA: usb-audio: Clear MIDI port active flag after draining (git-fixes). -…

The SUSE Linux Enterprise 12 SP2 kernel was updated.

The following security bugs were fixed:

• CVE-2022-28390: Fixed a double free in drivers/net/can/usb/ems_usb.c vulnerability in the Linux kernel (bnc#1198031).
• CVE-2022-28388: Fixed a double free in drivers/net/can/usb/usb_8dev.c vulnerability in the Linux kernel (bnc#1198032).
• CVE-2018-20784: Fixed a denial of service (infinite loop in update_blocked_averages) by mishandled leaf cfs_rq in kernel/sched/fair.c (bnc#1126703).
• CVE-2018-7755: Fixed an issue in the fd_locked_ioctl function in drivers/block/floppy.c. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR (bnc#1084513).
• CVE-2020-10769: Fixed a buffer over-read flaw in the IPsec Cryptographic algorithm's module. This flaw allowed a local attacker with user privileges to cause a denial of service. (bnc#1173265)
• CVE-2021-28688: Fixed XSA-365 that includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. This initialization went too far and may under certain conditions also overwrite pointers which are in need of cleaning up. The lack of cleanup would result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains (bnc#1183646).
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2017-13695: Fixed a bug that caused a stack dump allowing local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted ACPI table. (bnc#1055710)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed…

The SUSE Linux Enterprise 15 SP3 kernel was updated.

The following security bugs were fixed:

• CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
• CVE-2022-20008: Fixed bug that allows to read kernel heap memory due to uninitialized data in mmc_blk_read_single of block.c. (bnc#1199564)
• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).

The following non-security bugs were fixed:

• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ALSA: ctxfi: Add SB046x PCI ID (git-fixes).
• ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes (git-fixes).
• ALSA: hda - fix unused Realtek function when PM is not enabled (git-fixes).
• ALSA: hda/realtek - Add new type for ALC245 (git-fixes).
• ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS (git-fixes).
• ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop (git-fixes).
• ALSA: hda/realtek: Enable headset mic on Lenovo P360 (git-fixes).
• ALSA: pcm: Check for null pointer of pointer substream before dereferencing it (git-fixes).
• ALSA: usb-audio: Add missing ep_idx in fixed EP quirks (git-fixes).
• ALSA: usb-audio: Clear MIDI port active flag after draining (git-fixes).
• ALSA: usb-audio: Configure sync endpoints before data (git-fixes).
• ALSA: usb-audio: Fix undefined behavior due to shift overflowing the constant (git-fixes).
• ALSA: usb-audio: Restore Rane SL-1 quirk (git-fixes).
• ALSA: wavefront: Proper check of get_user() error (git-fixes).
• ARM: 9169/1: entry: fix Thumb2 bug in iWMMXt exception handling (git-fixes)
• ARM: 9170/1: fix panic when kasan and kprobe are enabled (git-fixes)
• ARM: 9187/1: JIVE: fix return value of __setup handler (git-fixes)
• ARM: config: u8500: Re-enable AB8500 battery charging (git-fixes)
• ARM: davinci: da850-evm: Avoid NULL pointer dereference (git-fixes)
• ARM: dts: am3517-evm: Fix misc pinmuxing (git-fixes)
• ARM: dts: armada-38x: Add generic compatible to UART nodes (git-fixes)
• ARM: dts: at91: fix pinctrl phandles (git-fixes)
• ARM: dts: at91: Map MCLK for wm8731 on at91sam9g20ek (git-fixes)
• ARM: dts: at91: sama5d2: Fix PMERRLOC resource size (git-fixes)
• ARM: dts: at91: sama5d4_xplained: fix pinctrl phandle name (git-fixes)
• ARM: dts: bcm2835-rpi-b: Fix GPIO line names…

The SUSE Linux Enterprise 15 SP3 kernel was updated.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-20008: Fixed bug that allows to read kernel heap memory due to uninitialized data in mmc_blk_read_single of block.c. (bnc#1199564)
• CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
• CVE-2022-24448: Fixed an issue if an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should have occured, but the server instead returned uninitialized data in the file descriptor (bsc#1195612).

The following non-security bugs were fixed:

• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ALSA: ctxfi: Add SB046x PCI ID (git-fixes).
• ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes (git-fixes).
• ALSA: hda - fix unused Realtek function when PM is not enabled (git-fixes).
• ALSA: hda/realtek - Add new type for ALC245 (git-fixes).
• ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS (git-fixes).
• ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop (git-fixes).
• ALSA: hda/realtek: Enable headset mic on Lenovo P360 (git-fixes).
• ALSA: pcm: Check for null pointer of pointer substream before dereferencing it (git-fixes).
• ALSA: usb-audio: Add missing ep_idx in fixed EP quirks (git-fixes).
• ALSA: usb-audio: Clear MIDI port active flag after draining (git-fixes).
• ALSA: usb-audio: Configure sync endpoints before data (git-fixes).
• ALSA: usb-audio: Fix undefined behavior due to shift overflowing the constant (git-fixes).
• ALSA: usb-audio: Restore Rane SL-1 quirk (git-fixes).
• ALSA: wavefront: Proper check of get_user() error (git-fixes).
• ARM: 9169/1: entry: fix Thumb2 bug in iWMMXt exception handling (git-fixes)
• ARM: 9170/1: fix panic when kasan and kprobe are enabled (git-fixes)
• ARM: 9187/1: JIVE: fix return value of __setup handler (git-fixes)
• ARM: config: u8500: Re-enable AB8500 battery charging (git-fixes)
• ARM: davinci: da850-evm: Avoid NULL pointer dereference (git-fixes)
• ARM: dts: am3517-evm: Fix misc pinmuxing (git-fixes)
• ARM: dts: armada-38x: Add generic compatible to UART nodes (git-fixes)
• ARM:…

The SUSE Linux Enterprise 12 SP5 kernel was updated.

The following security bugs were fixed:

• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1975: Fixed a sleep-in-atomic bug that allows attacker to crash linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2022-24448: Fixed an issue if an application sets the O_DIRECTORY flag, and tries to open a regular file, nfs_atomic_open() performs a regular lookup. If a regular file is found, ENOTDIR should have occured, but the server instead returned uninitialized data in the file descriptor (bsc#1195612).
• CVE-2022-1966: Fixed a use-after-free vulnerability in the Netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2021-39711: In bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size Value. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1197219).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).

The following non-security bugs were fixed:

• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ARM: 9110/1: oabi-compat: fix oabi epoll sparse warning (bsc#1129770)
• arm64: set plt* section addresses to 0x0 (git-fixes)
• arm64: Add missing ISB after invalidating TLB in __primary_switch (git-fixes)
• arm64: armv8_deprecated: Fix undef_hook mask for thumb setend (git-fixes)
• arm64: avoid -Woverride-init warning (git-fixes)
• arm64: berlin: Select DW_APB_TIMER_OF (git-fixes) Update arm64 default config too.
• arm64: Clear OSDLR_EL1 on CPU boot (git-fixes)
• arm64: clear_page() shouldn't use DC ZVA when DCZID_EL0.DZP == 1 (git-fixes).
• arm64: compat: Allow single-byte watchpoints on all addresses (git-fixes)
• arm64: compat: Reduce address limit (git-fixes)
• arm64: cpufeature: Fix feature comparison for CTR_EL0.{CWG,ERG} (git-fixes)
• arm64: cpufeature: Fix the type of no FP/SIMD capability (git-fixes)
• arm64: cpufeature:…

The SUSE Linux Enterprise 12 SP3 kernel was updated to 3.12.31 to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2017-13695: Fixed a bug that caused a stack dump allowing local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted ACPI table. (bnc#1055710)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-28688: Fixed XSA-365 that includes initialization of pointers such that subsequent cleanup code wouldn't use uninitialized or stale values. This initialization went too far and may under certain conditions also overwrite pointers which are in need of cleaning up. The lack of cleanup would result in leaking persistent grants. The leak in turn would prevent fully cleaning up after a respective guest has died, leaving around zombie domains (bnc#1183646).
• CVE-2020-10769: Fixed a buffer over-read flaw in the IPsec Cryptographic algorithm's module. This flaw allowed a local attacker with user privileges to cause a denial of service. (bnc#1173265)
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647).
• CVE-2018-7755: Fixed an issue in the fd_locked_ioctl function in drivers/block/floppy.c. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR (bnc#1084513).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2021-38208: Fixed a denial of service (NULL…

The SUSE Linux Enterprise 12 SP4 kernel was updated.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2021-39711: Fixed a possible out of bounds read due to Incorrect Size Value. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1197219).
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2021-43389: Fixed an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c (bnc#1191958).
• CVE-2019-20811: Fixed issue in rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, where a reference count is mishandled (bnc#1172456).
• CVE-2021-38208: Fixed a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call (bnc#1187055).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c. (bnc#1198516)
• CVE-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bnc#1197343)

The following non-security bugs were fixed:

• btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized (bsc#1199399).
• btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized (bsc#1199399).
• debug: Lock down kgdb (bsc#1199426).
• dimlib: make DIMLIB a hidden symbol (bsc#1197099 jsc#SLE-24124).
• lib/dim: Fix -Wunused-const-variable warnings (bsc#1197099 jsc#SLE-24124).
• lib/dim: fix help text typos (bsc#1197099 jsc#SLE-24124).
• linux/dim: Add completions count to dim_sample (bsc#1197099 jsc#SLE-24124).
• linux/dim: Fix overflow in dim calculation (bsc#1197099 jsc#SLE-24124).
• linux/dim: Implement RDMA adaptive moderation (DIM) (bsc#1197099 jsc#SLE-24124).
• linux/dim: Move implementation to .c files (bsc#1197099 jsc#SLE-24124).
• linux/dim: Move logic to dim.h (bsc#1197099 jsc#SLE-24124).
• linux/dim: Remove 'net' prefix from internal DIM…

The SUSE Linux Enterprise 15 kernel was updated.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2017-13695: Fixed a bug that caused a stack dump allowing local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted ACPI table. (bnc#1055710)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2021-39711: In bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size Value. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1197219).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2021-43389: Fixed an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c. (bnc#1191958)
• CVE-2021-38208: Fixed a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call (bnc#1187055).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c. (bnc#1198516)
• CVE-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bnc#1197343)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647).
• CVE-2019-20811: Fixed issue in rx_queue_add_kobject() and…

The SUSE Linux Enterprise 15 SP2 kernel was updated.

The following security bugs were fixed:

• CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
• CVE-2022-1966: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-28893: Ensuring that sockets are in the intended state inside the SUNRPC subsystem (bnc#1198330).
• CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1197660).
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bnc#1177282)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c. (bnc#1198516)
• CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bnc#1197343)

The following non-security bugs were fixed:

• btrfs: tree-checker: fix incorrect printk format (bsc#1200249).
• cifs: fix bad fids sent over wire (bsc#1197157).
• direct-io: clean up error paths of do_blockdev_direct_IO (bsc#1197656).
• direct-io: defer alignment check until after the EOF check (bsc#1197656).
• direct-io: do not force writeback for reads beyond EOF (bsc#1197656).
• net: ena: A typo fix in the file ena_com.h (bsc#1198778).
• net: ena: Add capabilities field with support for ENI stats capability (bsc#1198778).
• net: ena: Add debug prints for invalid req_id resets (bsc#1198778).
• net: ena: add device distinct log prefix…

The SUSE Linux Enterprise 15 SP1 kernel was updated.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2017-13695: Fixed a bug that caused a stack dump allowing local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted ACPI table. (bnc#1055710)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2021-39711: In bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size Value. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1197219).
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2021-20321: Fixed a race condition accessing file object in the OverlayFS subsystem in the way users do rename in specific way with OverlayFS. A local user could have used this flaw to crash the system (bnc#1191647).
• CVE-2019-20811: Fixed issue in rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, where a reference count is mishandled (bnc#1172456).
• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2018-7755: Fixed an issue in the fd_locked_ioctl function in drivers/block/floppy.c. The floppy driver will copy a kernel pointer to user memory in response to the FDGETPRM ioctl. An attacker can send the FDGETPRM ioctl and use the obtained kernel pointer to discover the location of kernel code and data and bypass kernel security protections such as KASLR (bnc#1084513).
• CVE-2022-22942: Fixed stale file descriptors on failed usercopy (bsc#1195065).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2021-43389: Fixed an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c (bnc#1191958).
• CVE-2021-38208: Fixed a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call (bnc#1187055).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve…

The SUSE Linux Enterprise 12 SP5 kernel was updated.

The following security bugs were fixed:

• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a bug that allows an attacker to crash the linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2022-1966: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and firmware download routine. (bnc#1199605)
• CVE-2021-39711: In bpf_prog_test_run_skb of test_run.c, there is a possible out of bounds read due to Incorrect Size Value. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1197219).
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).

The following non-security bugs were fixed:

• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ARM: 9110/1: oabi-compat: fix oabi epoll sparse warning (bsc#1129770)
• arm64: set plt* section addresses to 0x0 (git-fixes)
• arm64: Add missing ISB after invalidating TLB in __primary_switch (git-fixes)
• arm64: armv8_deprecated: Fix undef_hook mask for thumb setend (git-fixes)
• arm64: avoid -Woverride-init warning (git-fixes)
• arm64: berlin: Select DW_APB_TIMER_OF (git-fixes) Update arm64 default config too.
• arm64: Clear OSDLR_EL1 on CPU boot (git-fixes)
• arm64: clear_page() shouldn't use DC ZVA when DCZID_EL0.DZP == 1 (git-fixes).
• arm64: compat: Allow single-byte watchpoints on all addresses (git-fixes)
• arm64: compat: Reduce address limit (git-fixes)
• arm64: cpufeature: Fix feature comparison for CTR_EL0.{CWG,ERG} (git-fixes)
• arm64: cpufeature: Fix the type of no FP/SIMD capability (git-fixes)
• arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly (git-fixes)
• arm64: csum: Fix handling of bad packets (git-fixes)
• arm64: debug: Do not propagate UNKNOWN FAR into si_code for debug (git-fixes)
• arm64: debug: Ensure debug handlers check triggering exception level (git-fixes)
• arm64: dts: marvell: Fix A37xx UART0 register…

The SUSE Linux Enterprise 15 SP3 kernel was updated.

The following security bugs were fixed:

• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-20008: Fixed bug that allows to read kernel heap memory due to uninitialized data in mmc_blk_read_single of block.c. (bnc#1199564)
• CVE-2022-30594: Fixed restriction bypass on setting the PT_SUSPEND_SECCOMP flag (bnc#1199505).
• CVE-2022-0168: Fixed a NULL pointer dereference in smb2_ioctl_query_info. (bsc#1197472)
• CVE-2021-33061: Fixed insufficient control flow management for the Intel(R) 82599 Ethernet Controllers and Adapters that may have allowed an authenticated user to potentially enable denial of service via local access (bnc#1196426).
• CVE-2022-20141: Fixwed an use after free due to improper locking. This bug could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. (bnc#1200604)
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-1975: Fixed a sleep-in-atomic bug that allows attacker to crash linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bnc#1177282)
• CVE-2022-32250: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)

The following non-security bugs were fixed:

• ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default (git-fixes).
• ACPI: property: Release subnode properties with data nodes (git-fixes).
• ACPI: sysfs: Fix BERT error region memory mapping (git-fixes).
• ACPI: sysfs: Make sparse happy about address space in use (git-fixes).
• ALSA: ctxfi: Add SB046x PCI ID (git-fixes).
• ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes (git-fixes).
• ALSA: hda - fix unused Realtek function when PM is not enabled (git-fixes).
• ALSA: hda/conexant - Fix loopback issue with CX20632 (git-fixes).
• ALSA: hda/realtek - Add new type for ALC245 (git-fixes).
• ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS (git-fixes).
• ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop (git-fixes).
• ALSA: hda/realtek: Enable headset mic on Lenovo P360 (git-fixes).
• ALSA: pcm: Check for null pointer of pointer substream before dereferencing it (git-fixes).
• ALSA: usb-audio: Add missing ep_idx in fixed EP quirks (git-fixes).
• ALSA: usb-audio: Clear MIDI port active flag after draining (git-fixes). -…

The SUSE Linux Enterprise 15 SP4 kernel was updated.

The following security bugs were fixed:

• CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657).
• CVE-2022-34918: Fixed a buffer overflow with nft_set_elem_init() that could be used by a local attacker to escalate privileges (bnc#1201171).
• CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
• CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe subsystem (bnc#1198829).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-33743: Fixed a Denial of Service related to XDP (bsc#1200763).
• CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages (bnc#1199487).
• CVE-2022-20132: Fixed out of bounds read due to improper input validation in lg_probe and related functions of hid-lg.c (bnc#1200619).
• CVE-2022-33981: Fixed use-after-free in floppy driver (bsc#1200692)
• CVE-2022-1012: Fixed information leak caused by small table perturb size in the TCP source port generation algorithm (bsc#1199482).
• CVE-2022-1998: Fixed a use after free in the file system notify functionality (bnc#1200284).
• CVE-2022-1966: Fixed a use-after-free vulnerability in the Netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1852: Fixed a null-ptr-deref in the kvm module which can lead to DoS. (bsc#1199875)
• CVE-2022-1789: Fixed a NULL pointer dereference when shadow paging is enabled. (bnc#1199674)
• CVE-2022-1508: Fixed an out-of-bounds read flaw that could cause the system to crash. (bsc#1198968)
• CVE-2022-1671: Fixed a null-ptr-deref bugs in net/rxrpc/server_key.c, unprivileged users could easily trigger it via ioctl. (bsc#1199439)
• CVE-2022-1651: Fixed a bug in ACRN Device Model emulates virtual NICs in VM. This flaw may allow a local privileged attacker to leak kernel unauthorized information and also cause a denial of service problem. (bsc#1199433)
• CVE-2022-29582: Fixed a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently. (bnc#1198811)
• CVE-2022-0494: Fixed a kernel information leak flaw in the scsi_ioctl function. This flaw allowed a local attacker with a special user privilege to create issues with confidentiality. (bnc#1197386)
• CVE-2021-4204: Fixed a vulnerability that allows local attackers to escalate privileges on affected installations via ebpf. (bnc#1194111)
• CVE-2022-23222: Fixed a bug that allowed local users to gain privileges. (bnc#1194765)
• CVE-2022-0264: Fixed a vulnerability in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. (bnc#1194826)
• CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and…

The SUSE Linux Enterprise 15 SP4 kernel was updated.

The following security bugs were fixed:

• CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657).
• CVE-2022-34918: Fixed a buffer overflow with nft_set_elem_init() that could be used by a local attacker to escalate privileges (bnc#1201171).
• CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
• CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-33743: Fixed a Denial of Service related to XDP (bsc#1200763).
• CVE-2022-1966: Fixed a use-after-free vulnerability in the Netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1852: Fixed a null-ptr-deref in the kvm module which can lead to DoS. (bsc#1199875)
• CVE-2022-1789: Fixed a NULL pointer dereference when shadow paging is enabled. (bnc#1199674)
• CVE-2022-1508: Fixed an out-of-bounds read flaw that could cause the system to crash. (bsc#1198968)
• CVE-2022-1671: Fixed a null-ptr-deref bugs in net/rxrpc/server_key.c, unprivileged users could easily trigger it via ioctl. (bsc#1199439)
• CVE-2022-1651: Fixed a bug in ACRN Device Model emulates virtual NICs in VM. This flaw may allow a local privileged attacker to leak kernel unauthorized information and also cause a denial of service problem. (bsc#1199433)
• CVE-2022-29582: Fixed a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently. (bnc#1198811)
• CVE-2022-0494: Fixed a kernel information leak flaw in the scsi_ioctl function. This flaw allowed a local attacker with a special user privilege to create issues with confidentiality. (bnc#1197386)
• CVE-2021-4204: Fixed a vulnerability that allows local attackers to escalate privileges on affected installations via ebpf. (bnc#1194111)
• CVE-2022-23222: Fixed a bug that allowed local users to gain privileges. (bnc#1194765)
• CVE-2022-0264: Fixed a vulnerability in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. (bnc#1194826)
• CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197227)
• CVE-2022-1205: Fixed null pointer dereference and use-after-free vulnerabilities that allow an attacker to crash the linux kernel by simulating Amateur Radio. (bsc#1198027)
• CVE-2022-1198: Fixed an use-after-free vulnerability that allow an attacker to crash the linux kernel by simulating Amateur Radio (bsc#1198030).
• CVE-2022-1972: Fixed a buffer overflow in nftable that could lead to privilege escalation. (bsc#1200019)
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via spectre like attacks. (bsc#1199650)
• CVE-2022-21123: Fixed a…

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657).
• CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages (bsc#1199487).
• CVE-2022-20132: Fixed out of bounds read due to improper input validation in lg_probe and related functions of hid-lg.c (bsc#1200619).
• CVE-2022-1012: Fixed information leak caused by small table perturb size in the TCP source port generation algorithm (bsc#1199482).
• CVE-2022-20141: Fixed a possible use after free due to improper locking in ip_check_mc_rcu() (bsc#1200604).
• CVE-2021-4157: Fixed an out of memory bounds write flaw in the NFS subsystem, related to the replication of files with NFS. A user could potentially crash the system or escalate privileges on the system (bsc#1194013).
• CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599).
• CVE-2020-26541: Enforce the secure boot forbidden signature database (aka dbx) protection mechanism. (bsc#1177282)
• CVE-2022-2318: Fixed a use-after-free vulnerabilities in the timer handler in net/rose/rose_timer.c that allow attackers to crash the system without any privileges (bsc#1201251).
• CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762).
• CVE-2022-21166: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via Spectre like attacks (bsc#1199650).
• CVE-2022-21123: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via Spectre like attacks (bsc#1199650).
• CVE-2022-21125: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via Spectre like attacks (bsc#1199650).
• CVE-2022-21127: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via Spectre like attacks (bsc#1199650).
• CVE-2022-21180: Fixed a stale MMIO data transient which can be exploited to speculatively/transiently disclose information via Spectre like attacks (bsc#1199650).
• CVE-2021-26341: Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bsc#1201050).
• CVE-2022-1966: Fixed an use-after-free bug in the netfilter subsystem. This flaw allowed a local attacker with user access to cause a privilege escalation issue. (bnc#1200015)
• CVE-2022-1975: Fixed a sleep-in-atomic bug that allows attacker to crash linux kernel by simulating nfc device from user-space. (bsc#1200143)
• CVE-2022-1974: Fixed an use-after-free that could causes kernel crash by simulating an nfc device from user-space. (bsc#1200144)
• CVE-2019-19377: Fixed an user-after-free that could be triggered when an attacker mounts a crafted btrfs filesystem image. (bnc#1158266)
• CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
• CVE-2022-1184: Fixed an use-after-free and memory errors in ext4 when mounting and operating on a corrupted image. (bsc#1198577)
• CVE-2022-21499: Reinforce the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb. (bsc#1199426)
• CVE-2022-1836: Fixed a bug in the floppy submodule disabling FDRAWCMD by default. (bsc#1198866)
• CVE-2022-1652: Fixed a statically allocated error counter inside the floppy kernel module (bsc#1199063).
• CVE-2022-1734: Fixed a r/w use-after-free when non synchronized between cleanup routine and…

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2017-13695: Fixed fix acpi operand cache leak in nseval.c (bsc#1055710).
• CVE-2018-7755: Fixed bypass of kernel security protections such as KASLR using fd_locked_ioctl function in drivers/block/floppy.c (bnc#1084513).
• CVE-2019-3837: Fixed memory leak due to thread-unsafe implementation of the net_dma code in tcp_recvmsg() (bnc#1131430).
• CVE-2019-3900: Fixed infinite loop while receiving packets in vhost_net (bnc#1133374).
• CVE-2020-15393: Fixed memory leak in usbtest_disconnect in drivers/usb/misc/usbtest.c (bnc#1173514).
• CVE-2020-16119: Fixed use-after-free exploitable by a local attacker due to reuse of a DCCP socket (bnc#1177471).
• CVE-2020-36557: Fixed race condition in the VT_DISALLOCATE ioctl and closing/opening of ttys which could lead to a use-after-free (bnc#1201429).
• CVE-2020-36558: Fixed race condition in VT_RESIZEX (bsc#1200910).
• CVE-2021-26341: Fixed vulnerablity where some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage (bnc#1201050).
• CVE-2021-33655: When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds (bnc#1201635).
• CVE-2021-33656: Fixed memory out of bounds write when setting font with malicous data by ioctl cmd PIO_FONT (bnc#1201636).
• CVE-2021-34981: Fixed file refcounter in bluetooth cmtp when cmtp_attach_device fails (bsc#1191961).
• CVE-2021-39713: Fixed race condition in the network scheduling subsystem which could lead to a use-after-free (bsc#1196973).
• CVE-2021-45868: Fixed use-after-free in fs/quota/quota_tree.c (bnc#1197366).
• CVE-2022-1011: Fixed UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes (bsc#1197343).
• CVE-2022-1048: Fixed potential AB/BA lock with buffer_mutex and mmap_lock (bsc#1197331).
• CVE-2022-1353: Fixed denial of service in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1462: Fixed out-of-bounds read in the TeleTYpe subsystem allowing local user to crash the system or read unauthorized random data from memory (bnc#1198829).
• CVE-2022-1652: Fixed use after free in floppy (bsc#1199063).
• CVE-2022-1679: Fixed use-after-free in the atheros wireless adapter driver (bnc#1199487).
• CVE-2022-20132: Fixed out of bounds read in lg_probe and related functions of hid-lg.c and other USB HID files (bnc#1200619).
• CVE-2022-20166: Fixed out of bounds write due to a heap buffer overflow which could lead to local escalation of privilege with System execution privileges needed (bnc#1200598).
• CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bnc#1202346).
• CVE-2022-20369: Fixed out of bounds write due to improper input validation in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347).
• CVE-2022-21166, CVE-2022-21127, CVE-2022-21123, CVE-2022-21125, CVE-2022-21180: Fixed stale MMIO data transient information leaks (INTEL-TA-00615) (bnc#1199650).
• CVE-2022-21385: Fixed warn in rds_message_alloc_sgs (bnc#1202897).
• CVE-2022-21499: Fixed issue where it was trivial to break out of lockdown using kgdb (bsc#1199426).
• CVE-2022-2318: Fixed use-after-free caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges (bnc#1201251).
• CVE-2022-2663: Fixed possible firewall bypass when users are using unencrypted IRC due to message handling confusion in nf_conntrack_irc (bnc#1202097).
• CVE-2022-28356: Fixed refcount leak bug in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-29900: Fixed mis-trained branch predictions for return instructions that may have allowed arbitrary speculative code execution under certain microarchitecture-dependent conditions (bnc#1199657).
• CVE-2022-29901: Fixed vulnerability where an attacker with unprivileged user access can hijack return instructions to…

It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service. (CVE-2021-0127)

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145)

Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges. (CVE-2021-0146)

It was discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information. (CVE-2021-33117)

Brandon Miller discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information or a remote attacker could use this to cause a denial of service. (CVE-2021-33120)

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123, CVE-2022-21127)

Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that some Intel processors improperly optimised security-critical code. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21151)

It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145)

Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges. (CVE-2021-0146)

It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-0127)

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123, CVE-2022-21127)

It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21125)

Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that some Intel processors improperly optimised security-critical code. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21151)

It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)

It was discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information. (CVE-2021-33117)

Brandon Miller discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information or a remote attacker could use this to cause a denial of service (system crash). (CVE-2021-33120)