CVE-2020-12656

gss_mech_free in net/sunrpc/auth_gss/gss_mech_switch.c in the rpcsec_gss_krb5 implementation in the Linux kernel through 5.6.10 lacks certain domain_release calls, leading to a memory leak. Note: This was disputed with the assertion that the issue does not grant any access not already available. It is a problem that on unloading a specific kernel module some memory is leaked, but loading kernel modules is a privileged operation. A user could also write a kernel module to consume any amount of memory they like and load that replicating the effect of this bug

gss_mech_free in net/sunrpc/auth_gss/gss_mech_switch.c in the rpcsec_gss_krb5 implementation in the Linux kernel through 5.6.10 lacks certain domain_release calls, leading to a memory leak. Note: This was disputed with the assertion that the issue does not grant any access not already available. It is a problem that on unloading a specific kernel module some memory is leaked, but loading kernel modules is a privileged operation. A user could also write a kernel module to consume any amount of memory they like and load that replicating the effect of this bug

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).
• CVE-2019-19462: relay_open in kernel/relay.c allowed local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result (bnc#1158265).
• CVE-2019-20806: Fixed a null pointer dereference in tw5864_handle_frame() which may had lead to denial of service (bsc#1172199).
• CVE-2019-20812: The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067 (bnc#1172453).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-11608: An issue was discovered in drivers/media/usb/gspca/ov519.c that allowed NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints, aka CID-998912346c0d (bnc#1168829).
• CVE-2020-11609: An issue was discovered in the stv06xx subsystem in drivers/media/usb/gspca/stv06xx/stv06xx.c and drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c mishandle invalid descriptors, as demonstrated by a NULL pointer dereference, aka CID-485b06aadb93 (bnc#1168854).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in…

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2019-19462: relay_open in kernel/relay.c allowed local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result (bnc#1158265).
• CVE-2019-20810: go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c did not call snd_card_free for a failure path, which causes a memory leak, aka CID-9453264ef586 (bnc#1172458).
• CVE-2019-20812: The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067 (bnc#1172453).
• CVE-2020-10711: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allowed a remote network user to crash the system kernel, resulting in a denial of service (bnc#1171191).
• CVE-2020-10732: A flaw was found in the implementation of Userspace core dumps. This flaw allowed an attacker with a local account to crash a trivial program and exfiltrate private kernel data (bnc#1171220).
• CVE-2020-10751: SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing (bnc#1171189).
• CVE-2020-10766: Fixed rogue cross-process SSBD shutdown. Linux scheduler logical bug allowed an attacker to turn off the SSBD protection. (bnc#1172781).
• CVE-2020-10767: Fixed that Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (bnc#1172782).
• CVE-2020-10768: Fixed that indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command (bnc#1172783).
• CVE-2020-10773: Fixed a kernel stack information leak on s390/s390x. (bnc#1172999).
• CVE-2020-12656: Fixed a memory leak in gss_mech_free in the rpcsec_gss_krb5 implementation due to lack of certain domain_release calls (bnc#1171219).
• CVE-2020-12769: An issue was discovered in drivers/spi/spi-dw.c allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one, aka CID-19b61392c5a8 (bnc#1171983).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-13143: gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c relied on kstrdup without considering the possibility of an internal '\0' value, which allowed attackers to trigger an out-of-bounds read, aka CID-15753588bcd4 (bnc#1171982).
• CVE-2020-13974: tty/vt/keyboard.c had an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. (bnc#1172775).
• CVE-2020-14416: A race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).

The following non-security bugs were fixed:

• ACPICA: Fixes for acpiExec namespace init file (git-fixes).
• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (git-fixes).
• ACPI: GED: add support for _Exx / _Lxx handler methods (git-fixes).
• ACPI: GED: use correct trigger type field in _Exx / _Lxx handling (git-fixes).
• ACPI: PM:…

This update syncs the RT kernel from the SUSE Linux Enterprise 15-SP2 codestream.

This update was imported from the SUSE:SLE-15-SP2:Update update project.

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

The following security bugs were fixed:

• CVE-2020-10773: Fixed a memory leak on s390/s390x, in the cmm_timeout_hander in file arch/s390/mm/cmm.c (bnc#1172999).
• CVE-2020-14416: Fixed a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).
• CVE-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775).
• CVE-2020-10732: A flaw was found in the implementation of Userspace core dumps. This flaw allowed an attacker with a local account to crash a trivial program and exfiltrate private kernel data (bnc#1171220).
• CVE-2020-12656: Fixed a memory leak in gss_mech_free in the rpcsec_gss_krb5 implementation, caused by a lack of certain domain_release calls (bnc#1171219).
• CVE-2020-0305: Fixed a possible use-after-free due to a race condition incdev_get of char_dev.c. This could lead to local escalation of privilege. User interaction is not needed for exploitation (bnc#1174462).
• CVE-2020-10769: A buffer over-read flaw was found in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. This flaw allowed a local attacker with user privileges to cause a denial of service (bnc#1173265).
• CVE-2020-12652: The __mptctl_ioctl function in drivers/message/fusion/mptctl.c allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition, i.e., a 'double fetch' vulnerability (bnc#1171218).
• CVE-2019-5108: Fixed a denial-of-service vulnerability in the wifi stack. An attacker could exploit this vulnerability by triggering AP to send IAPP location updates for stations before the required authentication process has completed (bnc#1159912).

The following non-security bugs were fixed:

• Fix gcc-discovered error in zeroing a struct (bnc#680814)

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

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add br_netfilter to kernel-default-base (bsc#1169020)
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier…

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

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12114: Fixed A pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).

The following non-security bugs were fixed:

• can, slip: Protect tty->disc_data in write_wakeup and close with RCU (bsc#1171698).
• clocksource/drivers/hyper-v: Set TSC clocksource as default w/ InvariantTSC (bsc#1170620).
• Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic (bsc#1170618).
• Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdr (bsc#1170618).
• Drivers: hv: vmbus: Get rid of MSR access from vmbus_drv.c (bsc#1170618).
• Drivers: hv: vmbus: Make panic reporting to be more useful (bsc#1170618).
• Drivers: hv: vmus: Fix the check for return value from kmsg get dump buffer (bsc#1170618).
• EDAC: Convert to new X86 CPU match macros
• ibmvfc: do not send implicit logouts prior to NPIV login (bsc#1169625 ltc#184611).
• ibmvfc: Fix NULL return compiler warning (bsc#1161951 ltc#183551).
• KEYS: reaching the keys quotas correctly (bsc#1171689).
• NFS: Cleanup if nfs_match_client is interrupted (bsc#1169025).
• NFS: Fix a double unlock from nfs_match,get_client (bsc#1169025).
• NFS: make nfs_match_client killable (bsc#1169025).
• NFS: Unlock requests must never fail (bsc#1172032).
• random: always use batched entropy for get_random_u{32,64} (bsc#1164871).
• Revert 'ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()' (bsc#1172221).
• scsi: ibmvfc: Avoid loss of all paths during SVC node reboot (bsc#1161951 ltc#183551).
• scsi: ibmvfc: Fix NULL return compiler warning (bsc#1161951 ltc#183551).
• x86/dumpstack/64: Handle faults when printing the 'Stack: ' part of an OOPS (bsc#1170383).
• x86/hyperv: Allow guests to enable InvariantTSC (bsc#1170620).
• x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump (bsc#1170618).
• x86/Hyper-V: Report crash data in die() when panic_on_oops is set (bsc#1170618).
• x86/Hyper-V: Report crash register data or kmsg before running crash kernel (bsc#1170618).
• x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set (bsc#1170618).
• x86: hyperv: report value of misc_features (git fixes).
• x86/Hyper-V: Trigger crash enlightenment only once during system crash (bsc#1170618).
• x86/Hyper-V: Unload vmbus channel in hv panic callback (bsc#1170618).

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12114: Fixed A pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).

The following non-security bugs were fixed:

• can, slip: Protect tty->disc_data in write_wakeup and close with RCU (bsc#1171698).
• KEYS: allow reaching the keys quotas exactly (bsc#1171689).
• KEYS: reaching the keys quotas correctly (bsc#1171689).
• Revert 'ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()' (bsc#1172221).
• random: always use batched entropy for get_random_u{32,64} (bsc#1164871).

The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895)

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add br_netfilter to kernel-default-base (bsc#1169020)
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier after GTT…

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

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add br_netfilter to kernel-default-base (bsc#1169020)
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier after GTT…

The SUSE Linux Enterprise 12 SP4 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier after GTT updates (bsc#1051510).
• ALSA: ctxfi: Remove unnecessary cast in kfree (bsc#1051510).
• ALSA: hda: Do not release card at firmware loading error (bsc#1051510).
• ALSA: hda/hdmi: fix race in…

The SUSE Linux Enterprise 15 SP1 azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add br_netfilter to kernel-default-base (bsc#1169020)
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier…

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).
• CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).
• CVE-2019-20806: Fixed a null pointer dereference which may had lead to denial of service (bsc#1172199).
• CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).
• CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

The following non-security bugs were fixed:

• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (bsc#1051510).
• ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile() (bsc#1051510).
• acpi/x86: ignore unspecified bit positions in the ACPI global lock field (bsc#1051510).
• Add commit for git-fix that's not a fix This commit cleans up debug code but does not fix anything, and it relies on a new kernel function that isn't yet in this version of SLE.
• agp/intel: Reinforce the barrier after GTT updates (bsc#1051510).
• ALSA: ctxfi: Remove unnecessary cast in kfree (bsc#1051510).
• ALSA: dummy: Fix PCM format loop in proc output (bsc#1111666).
• ALSA: hda: Do not release card at firmware…

The SUSE Linux Enterprise 15 kernel was updated receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-9383: Fixed an out-of-bounds read due to improper error condition check of FDC index (bsc#1165111).
• CVE-2020-8992: Fixed an issue which could have allowed attackers to cause a soft lockup via a crafted journal size (bsc#1164069).
• CVE-2020-8834: Fixed a stack corruption which could have lead to kernel panic (bsc#1168276).
• CVE-2020-8649: Fixed a use-after-free in the vgacon_invert_region function in drivers/video/console/vgacon.c (bsc#1162931).
• CVE-2020-8648: Fixed a use-after-free in the n_tty_receive_buf_common function in drivers/tty/n_tty.c (bsc#1162928).
• CVE-2020-8647: Fixed a use-after-free in the vc_do_resize function in drivers/tty/vt/vt.c (bsc#1162929).
• CVE-2020-8428: Fixed a use-after-free which could have allowed local users to cause a denial of service (bsc#1162109).
• CVE-2020-7053: Fixed a use-after-free in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c (bsc#1160966).
• CVE-2020-2732: Fixed an issue affecting Intel CPUs where an L2 guest may trick the L0 hypervisor into accessing sensitive L1 resources (bsc#1163971).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-11669: Fixed an issue where arch/powerpc/kernel/idle_book3s.S did not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR (bnc#1169390).
• CVE-2020-11609: Fixed a null pointer dereference due to improper handling of descriptors (bsc#1168854).
• CVE-2020-11608: Fixed a null pointer dereferences via a crafted USB (bsc#1168829).
• CVE-2020-11494: Fixed an issue which could have allowed attackers to read uninitialized can_frame data (bsc#1168424).
• CVE-2020-10942: Fixed a kernel stack corruption via crafted system calls (bsc#1167629).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer…

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. (bsc#1173573)
• CVE-2020-15393: Fixed a memory leak in usbtest_disconnect (bnc#1173514).
• CVE-2020-12771: An issue was discovered in btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails (bnc#1171732).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-10773: Fixed a memory leak on s390/s390x, in the cmm_timeout_hander in file arch/s390/mm/cmm.c (bnc#1172999).
• CVE-2020-14416: Fixed a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).
• CVE-2020-10768: Fixed an issue with the prctl() function, where indirect branch speculation could be enabled even though it was diabled before (bnc#1172783).
• CVE-2020-10766: Fixed an issue which allowed an attacker with a local account to disable SSBD protection (bnc#1172781).
• CVE-2020-10767: Fixed an issue where Indirect Branch Prediction Barrier was disabled in certain circumstances, leaving the system open to a spectre v2 style attack (bnc#1172782).
• CVE-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775).
• CVE-2019-20810: Fixed a memory leak in go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c because it did not call snd_card_free for a failure path (bnc#1172458).
• CVE-2019-20812: An issue was discovered in the prb_calc_retire_blk_tmo() function in net/packet/af_packet.c could result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3 (bnc#1172453).
• CVE-2019-19462: relay_open in kernel/relay.c in the Linux kernel allowed local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result (bnc#1158265).
• CVE-2020-10732: A flaw was found in the implementation of Userspace core dumps. This flaw allowed an attacker with a local account to crash a trivial program and exfiltrate private kernel data (bnc#1171220).
• CVE-2020-12656: Fixed a memory leak in gss_mech_free in the rpcsec_gss_krb5 implementation, caused by a lack of certain domain_release calls (bnc#1171219).
• CVE-2020-10751: A flaw was found in the SELinux LSM hook implementation, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing (bnc#1171189).
• CVE-2020-10711: A NULL pointer dereference flaw was found in the SELinux subsystem in versions This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. This flaw allowed a remote network user to crash the system kernel, resulting in a denial of service (bnc#1171191).
• CVE-2020-12769: An issue was discovered in drivers/spi/spi-dw.c allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bnc#1171983).
• CVE-2020-13143: gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c relies on kstrdup without considering the possibility of an internal '\0' value, which allowed attackers to trigger an out-of-bounds read (bnc#1171982).

The following non-security bugs were fixed:

• ACPICA: Fixes for acpiExec namespace init file (git-fixes).
• ACPI: configfs: Disallow loading ACPI tables when locked down (git-fixes).
• ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() (git-fixes).
• ACPI: GED: add support for _Exx / _Lxx handler methods…

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2019-19462: relay_open in kernel/relay.c in the Linux kernel allowed local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result (bnc#1158265).
• CVE-2019-20810: Fixed a memory leak in go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c because it did not call snd_card_free for a failure path (bnc#1172458).
• CVE-2019-20812: An issue was discovered in the prb_calc_retire_blk_tmo() function in net/packet/af_packet.c could result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3 (bnc#1172453).
• CVE-2020-0305: In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1174462).
• CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth� BR/EDR Core Specification v5.2 and earlier may have allowed an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key (bnc#1171988).
• CVE-2020-10711: A NULL pointer dereference flaw was found in the SELinux subsystem in versions This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. This flaw allowed a remote network user to crash the system kernel, resulting in a denial of service (bnc#1171191).
• CVE-2020-10732: A flaw was found in the implementation of Userspace core dumps. This flaw allowed an attacker with a local account to crash a trivial program and exfiltrate private kernel data (bnc#1171220).
• CVE-2020-10751: A flaw was found in the SELinux LSM hook implementation, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing (bnc#1171189).
• CVE-2020-10766: Fixed an issue which allowed an attacker with a local account to disable SSBD protection (bnc#1172781).
• CVE-2020-10767: Fixed an issue where Indirect Branch Prediction Barrier was disabled in certain circumstances, leaving the system open to a spectre v2 style attack (bnc#1172782).
• CVE-2020-10768: Fixed an issue with the prctl() function, where indirect branch speculation could be enabled even though it was diabled before (bnc#1172783).
• CVE-2020-10773: Fixed a memory leak on s390/s390x, in the cmm_timeout_hander in file arch/s390/mm/cmm.c (bnc#1172999).
• CVE-2020-10781: A zram sysfs resource consumption was fixed (bnc#1173074).
• CVE-2020-12656: Fixed a memory leak in gss_mech_free in the rpcsec_gss_krb5 implementation, caused by a lack of certain domain_release calls (bnc#1171219).
• CVE-2020-12769: An issue was discovered in drivers/spi/spi-dw.c allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bnc#1171983).
• CVE-2020-12771: An issue was discovered in btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails (bnc#1171732).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-13143: gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c relies on kstrdup without considering the possibility of an internal '\0' value, which allowed attackers to trigger an out-of-bounds read (bnc#1171982).
• CVE-2020-13974: Fixed a integer overflow in…

The SUSE Linux Enterprise 12 SP4 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may have allowed an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key (bnc#1171988).
• CVE-2020-0305: In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1174462).
• CVE-2019-20908: An issue was discovered in drivers/firmware/efi/efi.c where incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032 (bnc#1173567).
• CVE-2020-10781: zram sysfs resource consumption was fixed (bnc#1173074).
• CVE-2020-15780: An issue was discovered in drivers/acpi/acpi_configfs.c where injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30 (bnc#1173573).
• CVE-2020-15393: usbtest_disconnect in drivers/usb/misc/usbtest.c had a memory leak, aka CID-28ebeb8db770 (bnc#1173514).
• CVE-2020-12771: btree_gc_coalesce in drivers/md/bcache/btree.c had a deadlock if a coalescing operation fails (bnc#1171732).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-10769: A buffer over-read flaw was found in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allowed a local attacker with user privileges to cause a denial of service (bnc#1173265).
• CVE-2020-10773: A kernel stack information leak on s390/s390x was fixed (bnc#1172999).
• CVE-2020-14416: A race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).
• CVE-2020-10766: Fixed an issue which allowed an attacker with a local account to disable SSBD protection (bnc#1172781).
• CVE-2020-10767: Fixed an issue where Indirect Branch Prediction Barrier was disabled in certain circumstances, leaving the system open to a spectre v2 style attack (bnc#1172782).
• CVE-2020-10768: Fixed an issue with the prctl() function, where indirect branch speculation could be enabled even though it was diabled before (bnc#1172783).
• CVE-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775).
• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13974: Fixed an integer overflow in drivers/tty/vt/keyboard.c which could have been caused by calling multiple time in a row k_ascii (bsc#1172775).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release…

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

The following security bugs were fixed:

• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).
• CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).
• CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).
• CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).
• CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).
• CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).
• CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).
• CVE-2020-11669: Fixed an issue where arch/powerpc/kernel/idle_book3s.S did not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR (bnc#1169390).
• CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).
• CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).
• CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).
• CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).
• CVE-2020-10711: Fixed a null pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).
• CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).
• CVE-2019-20908: An issue was discovered in drivers/firmware/efi/efi.c where incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032 (bnc#1173567).
• CVE-2020-10781: zram sysfs resource consumption was fixed (bnc#1173074).
• CVE-2020-15780: An issue was discovered in drivers/acpi/acpi_configfs.c where injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30 (bnc#1173573).
• CVE-2020-15393: usbtest_disconnect in drivers/usb/misc/usbtest.c had a memory leak, aka CID-28ebeb8db770 (bnc#1173514).
• CVE-2020-12771: btree_gc_coalesce in drivers/md/bcache/btree.c had a deadlock if a coalescing operation fails (bnc#1171732).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-10769: A buffer over-read flaw was found in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer…

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may have allowed an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key (bnc#1171988).
• CVE-2020-0305: In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1174462).
• CVE-2019-20908: An issue was discovered in drivers/firmware/efi/efi.c where incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032 (bnc#1173567).
• CVE-2020-10781: zram sysfs resource consumption was fixed (bnc#1173074).
• CVE-2020-15780: An issue was discovered in drivers/acpi/acpi_configfs.c where injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30 (bnc#1173573).
• CVE-2020-15393: usbtest_disconnect in drivers/usb/misc/usbtest.c had a memory leak, aka CID-28ebeb8db770 (bnc#1173514).
• CVE-2020-12771: btree_gc_coalesce in drivers/md/bcache/btree.c had a deadlock if a coalescing operation fails (bnc#1171732).
• CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).
• CVE-2020-10769: A buffer over-read flaw was found in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allowed a local attacker with user privileges to cause a denial of service (bnc#1173265).
• CVE-2020-10773: A kernel stack information leak on s390/s390x was fixed (bnc#1172999).
• CVE-2020-14416: A race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).
• CVE-2020-10766: Fixed an issue which allowed an attacker with a local account to disable SSBD protection (bnc#1172781).
• CVE-2020-10767: Fixed an issue where Indirect Branch Prediction Barrier was disabled in certain circumstances, leaving the system open to a spectre v2 style attack (bnc#1172782).
• CVE-2020-10768: Fixed an issue with the prctl() function, where indirect branch speculation could be enabled even though it was diabled before (bnc#1172783).
• CVE-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775).
• CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).
• CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).
• CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).
• CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).
• CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).
• CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch…

Chuhong Yuan discovered that go7007 USB audio device driver in the Linux kernel did not properly deallocate memory in some failure conditions. A physically proximate attacker could use this to cause a denial of service (memory exhaustion). (CVE-2019-20810)

Fan Yang discovered that the mremap implementation in the Linux kernel did not properly handle DAX Huge Pages. A local attacker with access to DAX storage could use this to gain administrative privileges. (CVE-2020-10757)

It was discovered that the Linux kernel did not correctly apply Speculative Store Bypass Disable (SSBD) mitigations in certain situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10766)

It was discovered that the Linux kernel did not correctly apply Indirect Branch Predictor Barrier (IBPB) mitigations in certain situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10767)

It was discovered that the Linux kernel could incorrectly enable Indirect Branch Speculation after it has been disabled for a process via a prctl() call. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10768)

Luca Bruno discovered that the zram module in the Linux kernel did not properly restrict unprivileged users from accessing the hot_add sysfs file. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-10781)

It was discovered that the XFS file system implementation in the Linux kernel did not properly validate meta data in some circumstances. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service. (CVE-2020-12655)

It was discovered that the bcache subsystem in the Linux kernel did not properly release a lock in some error conditions. A local attacker could possibly use this to cause a denial of service. (CVE-2020-12771)

It was discovered that the Virtual Terminal keyboard driver in the Linux kernel contained an integer overflow. A local attacker could possibly use this to have an unspecified impact. (CVE-2020-13974)

It was discovered that the cgroup v2 subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2020-14356)

Kyungtae Kim discovered that the USB testing driver in the Linux kernel did not properly deallocate memory on disconnect events. A physically proximate attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-15393)

It was discovered that the NFS server implementation in the Linux kernel did not properly honor umask settings when setting permissions while creating file system objects if the underlying file system did not support ACLs. An attacker could possibly use this to expose sensitive information or violate system integrity. (CVE-2020-24394)

It was discovered that the Kerberos SUNRPC GSS implementation in the Linux kernel did not properly deallocate memory on module unload. A local privileged attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2020-12656)

Timothy Michaud discovered that the i915 graphics driver in the Linux kernel did not properly validate user memory locations for the i915_gem_execbuffer2_ioctl. A local attacker could possibly use this to cause a denial of service or execute arbitrary code. (CVE-2018-20669)

It was discovered that the Kvaser CAN/USB driver in the Linux kernel did not properly initialize memory in certain situations. A local attacker could possibly use this to expose sensitive information (kernel memory). (CVE-2019-19947)

Chuhong Yuan discovered that go7007 USB audio device driver in the Linux kernel did not properly deallocate memory in some failure conditions. A physically proximate attacker could use this to cause a denial of service (memory exhaustion). (CVE-2019-20810)

It was discovered that the elf handling code in the Linux kernel did not initialize memory before using it in certain situations. A local attacker could use this to possibly expose sensitive information (kernel memory). (CVE-2020-10732)

It was discovered that the Linux kernel did not correctly apply Speculative Store Bypass Disable (SSBD) mitigations in certain situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10766)

It was discovered that the Linux kernel did not correctly apply Indirect Branch Predictor Barrier (IBPB) mitigations in certain situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10767)

It was discovered that the Linux kernel could incorrectly enable Indirect Branch Speculation after it has been disabled for a process via a prctl() call. A local attacker could possibly use this to expose sensitive information. (CVE-2020-10768)

Luca Bruno discovered that the zram module in the Linux kernel did not properly restrict unprivileged users from accessing the hot_add sysfs file. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-10781)

It was discovered that the XFS file system implementation in the Linux kernel did not properly validate meta data in some circumstances. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service. (CVE-2020-12655)

It was discovered that the bcache subsystem in the Linux kernel did not properly release a lock in some error conditions. A local attacker could possibly use this to cause a denial of service. (CVE-2020-12771)

It was discovered that the Virtual Terminal keyboard driver in the Linux kernel contained an integer overflow. A local attacker could possibly use this to have an unspecified impact. (CVE-2020-13974)

Kyungtae Kim discovered that the USB testing driver in the Linux kernel did not properly deallocate memory on disconnect events. A physically proximate attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-15393)

It was discovered that the NFS server implementation in the Linux kernel did not properly honor umask settings when setting permissions while creating file system objects if the underlying file system did not support ACLs. An attacker could possibly use this to expose sensitive information or violate system integrity. (CVE-2020-24394)

It was discovered that the Kerberos SUNRPC GSS implementation in the Linux kernel did not properly deallocate memory on module unload. A local privileged attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2020-12656)