CVE-2021-20292

The Linux Kernel, the operating system core itself.

Security Fix(es):

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.(CVE-2020-27170)

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.(CVE-2020-27171)

rtw_wx_set_scan in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c in the Linux kernel through 5.11.6 allows writing beyond the end of the ->ssid[] array. NOTE: from the perspective of kernel.org releases, CVE IDs are not normally used for drivers/staging/* (unfinished work); however, system integrators may have situations in which a drivers/staging issue is relevant to their own customer base.(CVE-2021-28660)

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.(CVE-2021-28964)

In drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux kernel through 5.11.8, the RPA PCI Hotplug driver has a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly. This occurs because add_slot_store and remove_slot_store mishandle drc_name '\0' termination, aka CID-cc7a0bb058b8.(CVE-2021-28972)

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.(CVE-2021-28971)

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2020-35519)

There is a flaw reported in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker with a local account with a root privilege, can leverage this vulnerability to escalate privileges and execute code in the context of the kernel.(CVE-2021-20292)

The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker with the ability to load bpf programs could use this gain out-of-bounds reads in kernel memory leading to information disclosure (kernel memory), and possibly out-of-bounds writes that could potentially lead to code execution. This issue was addressed in the upstream kernel in commit 9b00f1b78809 ("bpf: Fix truncation handling for mod32 dst reg wrt zero") and in Linux stable kernels 5.11.2, 5.10.19, and 5.4.101.(CVE-2021-3444)

An issue was discovered in the Linux kernel before 5.11.7. usbip_sockfd_store in drivers/usb/usbip/stub_dev.c allows attackers to cause a denial of service (GPF) because the stub-up sequence has race conditions during an update of the local and shared status, aka CID-9380afd6df70.(CVE-2021-29265)

An issue was discovered in the Linux kernel through 5.11.10.…

There is a flaw reported in the Linux kernel in versions before 5.9 in drivers/gpu/drm/nouveau/nouveau_sgdma.c in nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker with a local account with a root privilege, can leverage this vulnerability to escalate privileges and execute code in the context of the kernel.

• ELSCVE-666: CVE-2021-34693: can: bcm: fix infoleak in struct bcm_msg_head
• ELSCVE-705: CVE-2021-38160: virtio_console: Assure used length from device is limited
• ELSCVE-769: CVE-2014-4508: x86_32, entry: Do syscall exit work on badsys (CVE-2014-4508)
• ELSCVE-844: CVE-2021-3573: Bluetooth: use correct lock to prevent UAF of hdev object
• ELSCVE-503: CVE-2021-32399: bluetooth: eliminate the potential race condition when removing the HCI controller
• ELSCVE-451: CVE-2021-37159: hso: fix a use after free condition
• ELSCVE-387: CVE-2021-38205: net: xilinx_emaclite: Do not print real IOMEM pointer
• ELSCVE-547: CVE-2021-3178: nfsd4: readdirplus shouldn't return parent of export
• ELSCVE-547: nfsd: fix compose_entry_fh() failure exits
• ELSCVE-547: nfsd: make local functions static
• ELSCVE-682: CVE-2021-20265: af_unix: fix struct pid memory leak
• ELSCVE-531: CVE-2021-20292: drm/ttm/nouveau: don't call tt destroy callback on alloc failure.
• ELSCVE-543: CVE-2021-28972: PCI: rpadlpar: Fix potential drc_name corruption in store functions
• ELSCVE-575: CVE-2021-3612: Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
• ELSCVE-575: Input: joydev - prevent potential read overflow in ioctl
• ELSCVE-575: Input: joydev - fix possible ERR_PTR() dereferencing
• ELSCVE-575: Input: joydev - use memdup_user() to duplicate memory from user-space

• ELSCVE-666: CVE-2021-34693: can: bcm: fix infoleak in struct bcm_msg_head
• ELSCVE-705: CVE-2021-38160: virtio_console: Assure used length from device is limited
• ELSCVE-769: CVE-2014-4508: x86_32, entry: Do syscall exit work on badsys (CVE-2014-4508)
• ELSCVE-844: CVE-2021-3573: Bluetooth: use correct lock to prevent UAF of hdev object
• ELSCVE-503: CVE-2021-32399: bluetooth: eliminate the potential race condition when removing the HCI controller
• ELSCVE-451: CVE-2021-37159: hso: fix a use after free condition
• ELSCVE-387: CVE-2021-38205: net: xilinx_emaclite: Do not print real IOMEM pointer
• ELSCVE-547: CVE-2021-3178: nfsd4: readdirplus shouldn't return parent of export
• ELSCVE-547: nfsd: fix compose_entry_fh() failure exits
• ELSCVE-547: nfsd: make local functions static
• ELSCVE-682: CVE-2021-20265: af_unix: fix struct pid memory leak
• ELSCVE-531: CVE-2021-20292: drm/ttm/nouveau: don't call tt destroy callback on alloc failure.
• ELSCVE-543: CVE-2021-28972: PCI: rpadlpar: Fix potential drc_name corruption in store functions
• ELSCVE-575: CVE-2021-3612: Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
• ELSCVE-575: Input: joydev - prevent potential read overflow in ioctl
• ELSCVE-575: Input: joydev - fix possible ERR_PTR() dereferencing
• ELSCVE-575: Input: joydev - use memdup_user() to duplicate memory from user-space

• kvm: initialize all of the kvm_debugregs structure before sending it to userspace {CVE-2023-1513}
• wifi: mac80211: fix MBSSID parsing use-after-free {CVE-2022-42719}
• mac80211: always allocate struct ieee802_11_elems {CVE-2022-42719}
• netfilter: nf_tables: initialize registers in nft_do_chain() {CVE-2022-1016}
• xprtrdma: fix incorrect header size calculations {CVE-2022-0812}
• net: usb: fix memory leak in smsc75xx_bind {CVE-2021-47171}
• i2c: i801: Don't generate an interrupt on bus reset {CVE-2021-47153}
• pid: take a reference when initializing cad_pid {CVE-2021-47118}
• Input: appletouch - initialize work before device registration {CVE-2021-46932}
• HID: usbhid: fix info leak in hid_submit_ctrl {CVE-2021-46906}
• quota: check block number when reading the block in quota file {CVE-2021-45868}
• mwifiex: Fix skb_over_panic in mwifiex_usb_recv() {CVE-2021-43976}
• atlantic: Fix OOB read and write in hw_atl_utils_fw_rpc_wait {CVE-2021-43975}
• isdn: cpai: check ctr->cnr to avoid array index out of bound {CVE-2021-43389}
• usb: hso: fix error handling code of hso_create_net_device {CVE-2021-37159}
• can: bcm: fix infoleak in struct bcm_msg_head {CVE-2021-34693}
• dm ioctl: fix out of bounds array access when no devices {CVE-2021-31916}
• KVM: x86: hyper-v: Fix Hyper-V context null-ptr-deref {CVE-2021-30178}
• perf/x86/intel: Fix a crash caused by zero PEBS status {CVE-2021-28971}
• btrfs: fix race when cloning extent buffer during rewind of an old root {CVE-2021-28964}
• ovl: fix missing negative dentry check in ovl_rename() {CVE-2021-20321}
• drm/ttm/nouveau: don't call tt destroy callback on alloc failure. {CVE-2021-20292}
• bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds() {CVE-2021-4159}
• btrfs: unlock newly allocated extent buffer after error {CVE-2021-4149}
• tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop. {CVE-2021-3679}
• net: mac802154: Fix general protection fault {CVE-2021-3659}
• nfsd4: readdirplus shouldn't return parent of export {CVE-2021-3178}
• Bluetooth: SMP: Fail if remote and local public keys are identical {CVE-2021-0129}
• drm/nouveau: clean up all clients on device removal {CVE-2020-27820}
• drm/nouveau: Add a dedicated mutex for the clients list {CVE-2020-27820}
• drm/nouveau: use drm_dev_unplug() during device removal {CVE-2020-27820}
• Bluetooth: SMP: Fail if remote and local public keys are identical {CVE-2020-26555}
• vsock: Fix memory leak in vsock_connect() {CVE-2022-3629}
• RDMA/core: Don't infoleak GRH fields {CVE-2021-3923}
• xen/netfront: force data bouncing when backend is untrusted {CVE-2022-33741}
• net: Rename and export copy_skb_header
• floppy: use a statically allocated error counter {CVE-2022-1652}
• fuse: fix pipe buffer lifetime for direct_io {CVE-2022-1011}
• aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts {CVE-2024-26898}
• smb: client: fix use-after-free bug in cifs_debug_data_proc_show() {CVE-2023-52752}
• media: pvrusb2: fix use after free on context disconnection {CVE-2023-52445}
• media: dm1105: Fix use after free bug in dm1105_remove due to race condition {CVE-2023-35824}
• perf: Fix perf_event_validate_size() lockdep splat {CVE-2023-6931}
• perf: Fix perf_event_validate_size() {CVE-2023-6931}
• net/sched: sch_hfsc: Ensure inner classes have fsc curve {CVE-2023-4623}
• relayfs: fix out-of-bounds access in relay_file_read {CVE-2023-3268}
• xfs: verify buffer contents when we skip log replay {CVE-2023-2124}
• Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition {CVE-2023-1989}
• Fix double fget() in vhost_net_set_backend() {CVE-2023-1838}
• net/sched: cls_tcindex: downgrade to imperfect hash {CVE-2023-1829}
• xen/netfront: fix leaking data in shared pages {CVE-2022-33740}
• can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path {CVE-2022-28390}
• xen/blkfront: fix leaking data in shared pages {CVE-2022-26365}
• mISDN: fix use-after-free bugs in l1oip timer…

In tgm_dma_tt_init of tt.c, there is a possible kernel memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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

The following security bugs were fixed:

• 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-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-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• 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-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-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-2022-1011: Fixed a use-after-free flaw inside the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation (bnc#1197343).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-23960: Fixed speculation issues in the Branch History Buffer that allowed an attacker to obtain sensitive information using cache allocation (bnc#1196657).
• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).

The following non-security bugs were fixed:

• IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() (git-fixes)
• NFSD: prevent underflow in nfssvc_decode_writeargs() (git-fixes).
• NFSv4: recover from pre-mature loss of openstateid (bsc#1196247).
• NFSv4: Do not try to CLOSE if the stateid 'other' field has changed (bsc#1196247).
• NFSv4: Fix a regression in nfs_set_open_stateid_locked() (bsc#1196247).
• NFSv4: Handle NFS4ERR_OLD_STATEID in CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: fix open failure with O_ACCMODE flag (git-fixes).
• PCI/switchtec: Read all 64 bits of part_event_bitmap (git-fixes).
• PCI: Add device even if driver attach failed (git-fixes).
• PCI: Fix overflow in command-line resource alignment requests (git-fixes).
• PCI: iproc: Fix out-of-bound array accesses (git-fixes).
• PCI: iproc: Set affinity mask on MSI interrupts (git-fixes).
• PCI: qcom: Change duplicate PCI reset to phy reset (git-fixes).
• PCI: qcom: Make sure PCIe is reset before init for rev 2.1.0 (git-fixes).
• RDMA/rxe: Missing unlock on error in get_srq_wqe() (git-fixes)
• RDMA/rxe: Restore setting tot_len in the IPv4 header (git-fixes)
• RDMA/rxe: Use the correct size of wqe when processing SRQ (git-fixes)
• SUNRPC: Handle low memory situations in call_status() (git-fixes).
• USB: Fix 'slab-out-of-bounds Write' bug in usb_hcd_poll_rh_status (git-fixes).
• USB: core: Fix bug in resuming hub's handling of wakeup requests (git-fixes).
• USB: serial: cp210x: add NCR Retail IO box id (git-fixes).
• USB: serial: pl2303: add IBM device IDs (git-fixes).
• USB: serial: simple: add Nokia phone driver (git-fixes).
• USB: usb-storage:…

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

The following security bugs were fixed:

• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2022-28356: Fixed a refcount leak bug found in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1011: Fixed a use-after-free flaw inside the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation (bnc#1197343).
• 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-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-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• 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-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).

The following non-security bugs were fixed:

• IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() (git-fixes)
• NFSD: prevent underflow in nfssvc_decode_writeargs() (git-fixes).
• NFSv4: Do not try to CLOSE if the stateid 'other' field has changed (bsc#1196247).
• NFSv4: Fix a regression in nfs_set_open_stateid_locked() (bsc#1196247).
• NFSv4: Handle NFS4ERR_OLD_STATEID in CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: fix open failure with O_ACCMODE flag (git-fixes).
• NFSv4: recover from pre-mature loss of openstateid (bsc#1196247).
• PCI/switchtec: Read all 64 bits of part_event_bitmap (git-fixes).
• PCI: Add device even if driver attach failed (git-fixes).
• PCI: Do not enable AtomicOps on VFs (bsc#1129770)
• PCI: Fix overflow in command-line resource alignment requests (git-fixes).
• PCI: iproc: Fix out-of-bound array accesses (git-fixes).
• PCI: iproc: Set affinity mask on MSI interrupts (git-fixes).
• PCI: qcom: Change duplicate PCI reset to phy reset (git-fixes).
• PCI: qcom: Make sure PCIe is reset before init for rev 2.1.0 (git-fixes).
• RDMA/rxe: Missing unlock on error in get_srq_wqe() (git-fixes)
• RDMA/rxe: Restore setting tot_len in the IPv4 header (git-fixes)
• RDMA/rxe: Use the correct size of wqe when processing SRQ (git-fixes)
• SUNRPC: Handle low memory situations in call_status() (git-fixes).
• USB: Fix 'slab-out-of-bounds Write' bug in usb_hcd_poll_rh_status (git-fixes).
• USB: core: Fix bug in resuming hub's handling of wakeup requests (git-fixes).
• USB: serial: cp210x: add NCR Retail IO box id (git-fixes).
• USB: serial: pl2303: add IBM device IDs (git-fixes).
• USB: serial: simple: add Nokia phone driver (git-fixes).
• USB: usb-storage: Fix use of bitfields for…

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-29156: Fixed a double free related to rtrs_clt_dev_release (bnc#1198515).
• CVE-2022-28893: Ensuring that sockets are in the intended state inside the SUNRPC subsystem (bnc#1198330).
• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2022-28356: Fixed a refcount leak bug found in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1197660).
• CVE-2022-0812: Fixed random memory leakage inside NFS/RDMA (bsc#1196639).
• CVE-2021-4154: Fixed a use-after-free flaw inside cgroup1_parse_param in kernel/cgroup/cgroup-v1.c. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system (bnc#1193842).
• 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-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-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• CVE-2021-0707: Fixed possible memory corruption due to a use after free inside dma_buf_releas e of dma-buf.c (bnc#1198437).
• CVE-2020-27835: Fixed use after free in infiniband hfi1 driver in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system (bnc#1179878).

The following non-security bugs were fixed:

• ACPI: processor idle: Check for architectural support for LPI (git-fixes).
• ACPI/APEI: Limit printable size of BERT table data (git-fixes).
• ACPICA: Avoid walking the ACPI Namespace if it is not there (git-fixes).
• adm8211: fix error return code in adm8211_probe() (git-fixes).
• ALSA: cs4236: fix an incorrect NULL check on list iterator (git-fixes).
• ALSA: hda/hdmi: fix warning about PCM count when used with SOF (git-fixes).
• ALSA: hda/realtek: Add alc256-samsung-headphone fixup (git-fixes).
• ALSA: hda/realtek: Add quirk for Clevo PD50PNT (git-fixes).
• ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020 (git-fixes).
• ALSA: pcm: Test for 'silence' field in struct 'pcm_format_data' (git-fixes).
• ALSA: usb-audio: Cap upper limits of buffer/period bytes for implicit fb (git-fixes).
• ALSA: usb-audio: Increase max buffer size (git-fixes).
• ALSA: usb-audio: Limit max buffer and period sizes per time (git-fixes).
• arm64: clear_page() shouldn't use DC ZVA when DCZID_EL0.DZP == 1 (git-fixes)
• arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node (git-fixes)
• arm64: dts: allwinner: orangepi-zero-plus: fix PHY mode (git-fixes)
• arm64: dts: exynos: correct GIC CPU interfaces address range on (git-fixes)
• arm64: dts: ls1028a: fix memory node (git-fixes)
• arm64: dts: ls1028a: fix node name for the sysclk (git-fixes)
• arm64: dts: lx2160a: fix scl-gpios property name (git-fixes)
• arm64: dts: marvell: armada-37xx: Extend PCIe MEM space (git-fixes)
• arm64: dts: marvell: armada-37xx: Fix reg for standard variant of (git-fixes)
• arm64: dts: marvell: armada-37xx: Remap IO space to bus address 0x0 (git-fixes)
• arm64: dts: rockchip: Fix…

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2020-27835: Fixed a use after free vulnerability in infiniband hfi1 driver in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system (bnc#1179878).
• CVE-2021-0707: Fixed a use after free vulnerability in dma_buf_release of dma-buf.c, which may lead to local escalation of privilege with no additional execution privileges needed (bnc#1198437).
• 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-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-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-2021-4154: Fixed a use-after-free vulnerability in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c, allowing a local privilege escalation by an attacker with user privileges by exploiting the fsconfig syscall parameter, leading to a container breakout and a denial of service on the system (bnc#1193842).
• CVE-2022-0812: Fixed information leak when a file is read from RDMA (bsc#1196639)
• CVE-2022-1158: Fixed a vulnerability in the kvm module that may lead to a use-after-free write or denial of service (bsc#1197660).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-28356: Fixed a refcount leak bug in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2022-28893: Fixed a use after free vulnerability in inet_put_port where some sockets are not closed before xs_xprt_free() (bsc#1198330).
• CVE-2022-29156: Fixed a double free vulnerability related to rtrs_clt_dev_release.ate (jsc#SLE-15176 bsc#1198515).

The following non-security bugs were fixed:

• ACPI/APEI: Limit printable size of BERT table data (git-fixes).
• ACPI: processor idle: Check for architectural support for LPI (git-fixes).
• ACPICA: Avoid walking the ACPI Namespace if it is not there (git-fixes).
• ALSA: cs4236: fix an incorrect NULL check on list iterator (git-fixes).
• ALSA: hda/hdmi: fix warning about PCM count when used with SOF (git-fixes).
• ALSA: hda/realtek: Add alc256-samsung-headphone fixup (git-fixes).
• ALSA: hda/realtek: Add quirk for Clevo PD50PNT (git-fixes).
• ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020 (git-fixes).
• ALSA: pcm: Test for 'silence' field in struct 'pcm_format_data' (git-fixes).
• ALSA: usb-audio: Cap upper limits of buffer/period bytes for implicit fb (git-fixes).
• ALSA: usb-audio: Increase max buffer size (git-fixes).
• ALSA: usb-audio: Limit max buffer and period sizes per time (git-fixes).
• ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek (git-fixes).
• ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use (git-fixes).
• ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs (git-fixes).
• ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register_component (git-fixes).
• ASoC: soc-compress: Change the check for codec_dai (git-fixes).
• ASoC: soc-compress: prevent the potentially use of null pointer (git-fixes).
• ASoC: soc-core: skip zero num_dai component in searching dai name (git-fixes).
• ASoC: soc-dapm: fix two incorrect uses of list iterator…

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

The following security bugs were fixed:

• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2022-28356: Fixed a refcount leak bug found in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1011: Fixed a use-after-free flaw inside the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation (bnc#1197343).
• 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-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-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• 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-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).

The following non-security bugs were fixed:

• IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() (git-fixes)
• NFSD: prevent underflow in nfssvc_decode_writeargs() (git-fixes).
• NFSv4: recover from pre-mature loss of openstateid (bsc#1196247).
• NFSv4: Do not try to CLOSE if the stateid 'other' field has changed (bsc#1196247).
• NFSv4: Fix a regression in nfs_set_open_stateid_locked() (bsc#1196247).
• NFSv4: Handle NFS4ERR_OLD_STATEID in CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE (bsc#1196247).
• NFSv4: fix open failure with O_ACCMODE flag (git-fixes).
• PCI/switchtec: Read all 64 bits of part_event_bitmap (git-fixes).
• PCI: Add device even if driver attach failed (git-fixes).
• PCI: Fix overflow in command-line resource alignment requests (git-fixes).
• PCI: iproc: Fix out-of-bound array accesses (git-fixes).
• PCI: iproc: Set affinity mask on MSI interrupts (git-fixes).
• PCI: qcom: Change duplicate PCI reset to phy reset (git-fixes).
• PCI: qcom: Make sure PCIe is reset before init for rev 2.1.0 (git-fixes).
• RDMA/rxe: Missing unlock on error in get_srq_wqe() (git-fixes)
• RDMA/rxe: Restore setting tot_len in the IPv4 header (git-fixes)
• RDMA/rxe: Use the correct size of wqe when processing SRQ (git-fixes)
• SUNRPC: Handle low memory situations in call_status() (git-fixes).
• USB: Fix 'slab-out-of-bounds Write' bug in usb_hcd_poll_rh_status (git-fixes).
• USB: core: Fix bug in resuming hub's handling of wakeup requests (git-fixes).
• USB: serial: cp210x: add NCR Retail IO box id (git-fixes).
• USB: serial: pl2303: add IBM device IDs (git-fixes).
• USB: serial: simple: add Nokia phone driver (git-fixes).
• USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c (git-fixes).
• arm64:…

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-29156: Fixed a double free related to rtrs_clt_dev_release (bnc#1198515).
• CVE-2022-28893: Ensuring that sockets are in the intended state inside the SUNRPC subsystem (bnc#1198330).
• CVE-2022-28748: Fixed memory lead over the network by ax88179_178a devices (bsc#1196018).
• CVE-2022-28356: Fixed a refcount leak bug found in net/llc/af_llc.c (bnc#1197391).
• CVE-2022-1516: Fixed null-ptr-deref caused by x25_disconnect (bsc#1199012).
• CVE-2022-1419: Fixed a concurrency use-after-free in vgem_gem_dumb_create (bsc#1198742).
• CVE-2022-1353: Fixed access controll to kernel memory in the pfkey_register function in net/key/af_key.c (bnc#1198516).
• CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in drivers/gpu/drm/drm_lease.c (bnc#1197914).
• CVE-2022-1158: Fixed KVM x86/mmu compare-and-exchange of gPTE via the user address (bsc#1197660).
• CVE-2022-0812: Fixed random memory leakage inside NFS/RDMA (bsc#1196639).
• CVE-2021-4154: Fixed a use-after-free flaw inside cgroup1_parse_param in kernel/cgroup/cgroup-v1.c. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system (bnc#1193842).
• 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-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-2021-20292: Fixed object validation prior to performing operations on the object in nouveau_sgdma_create_ttm in Nouveau DRM subsystem (bnc#1183723).
• CVE-2021-0707: Fixed possible memory corruption due to a use after free inside dma_buf_releas e of dma-buf.c (bnc#1198437).
• CVE-2020-27835: Fixed use after free in infiniband hfi1 driver in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system (bnc#1179878).

The following non-security bugs were fixed:

• ACPI: processor idle: Check for architectural support for LPI (git-fixes).
• ACPI/APEI: Limit printable size of BERT table data (git-fixes).
• ACPICA: Avoid walking the ACPI Namespace if it is not there (git-fixes).
• adm8211: fix error return code in adm8211_probe() (git-fixes).
• ALSA: cs4236: fix an incorrect NULL check on list iterator (git-fixes).
• ALSA: hda/hdmi: fix warning about PCM count when used with SOF (git-fixes).
• ALSA: hda/realtek: Add alc256-samsung-headphone fixup (git-fixes).
• ALSA: hda/realtek: Add quirk for Clevo PD50PNT (git-fixes).
• ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020 (git-fixes).
• ALSA: pcm: Test for 'silence' field in struct 'pcm_format_data' (git-fixes).
• ALSA: usb-audio: Cap upper limits of buffer/period bytes for implicit fb (git-fixes).
• ALSA: usb-audio: Increase max buffer size (git-fixes).
• ALSA: usb-audio: Limit max buffer and period sizes per time (git-fixes).
• arm64: clear_page() shouldn't use DC ZVA when DCZID_EL0.DZP == 1 (git-fixes)
• arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node (git-fixes)
• arm64: dts: allwinner: orangepi-zero-plus: fix PHY mode (git-fixes)
• arm64: dts: exynos: correct GIC CPU interfaces address range on (git-fixes)
• arm64: dts: ls1028a: fix memory node (git-fixes)
• arm64: dts: ls1028a: fix node name for the sysclk (git-fixes)
• arm64: dts: lx2160a: fix scl-gpios property name (git-fixes)
• arm64: dts: marvell: armada-37xx: Extend PCIe MEM space (git-fixes)
• arm64: dts: marvell: armada-37xx: Fix reg for standard variant of (git-fixes)
• arm64: dts: marvell: armada-37xx: Remap IO space to bus address 0x0 (git-fixes)
• arm64: dts: rockchip: Fix GPU…

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 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 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…

It was discovered that the DRM subsystem in the Linux kernel contained double-free vulnerabilities. A privileged attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-20292)

Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H. Schönherr discovered that the Xen paravirtualization backend in the Linux kernel did not properly propagate errors to frontend drivers in some situations. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-26930)

Jan Beulich discovered that multiple Xen backends in the Linux kernel did not properly handle certain error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-26931)

Jan Beulich discovered that the Xen netback backend in the Linux kernel did not properly handle certain error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a denial of service (host domain crash). (CVE-2021-28038)

It was discovered that the Xen paravirtualization backend in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-28688)

It was discovered that the Freescale Gianfar Ethernet driver for the Linux kernel did not properly handle receive queue overrun when jumbo frames were enabled in some situations. An attacker could use this to cause a denial of service (system crash). (CVE-2021-29264)

It was discovered that the USB/IP driver in the Linux kernel contained race conditions during the update of local and shared status. An attacker could use this to cause a denial of service (system crash). (CVE-2021-29265)

It was discovered that a race condition existed in the netfilter subsystem of the Linux kernel when replacing tables. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-29650)

Arnd Bergmann discovered that the video4linux subsystem in the Linux kernel did not properly deallocate memory in some situations. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-30002)

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain administrative privileges. (CVE-2022-0492)

It was discovered that the aufs file system in the Linux kernel did not properly restrict mount namespaces, when mounted with the non-default allow_userns option set. A local attacker could use this to gain administrative privileges. (CVE-2016-2853)

It was discovered that the aufs file system in the Linux kernel did not properly maintain POSIX ACL xattr data, when mounted with the non-default allow_userns option. A local attacker could possibly use this to gain elevated privileges. (CVE-2016-2854)

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-19449)

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)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel contained a reference counting error. A local attacker could use this to cause a denial of service (system crash). (CVE-2020-25670)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel did not properly deallocate memory in certain error situations. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-25671, CVE-2020-25672)

Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel did not properly handle error conditions in some situations, leading to an infinite loop. A local attacker could use this to cause a denial of service. (CVE-2020-25673)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation incorrectly handled EAPOL frames from unauthenticated senders. A physically proximate attacker could inject malicious packets to cause a denial of service (system crash). (CVE-2020-26139)

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation could reassemble mixed encrypted and plaintext fragments. A physically proximate attacker could possibly use this issue to inject packets or exfiltrate selected fragments. (CVE-2020-26147)

It was discovered that the BR/EDR pin-code pairing procedure in the Linux kernel was vulnerable to an impersonation attack. A physically proximate attacker could possibly use this to pair to a device without knowledge of the pin-code. (CVE-2020-26555)

It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform access control. An authenticated attacker could possibly use this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)

It was discovered that the FUSE user space file system implementation in the Linux kernel did not properly handle bad inodes in some situations. A local attacker could possibly use this to cause a denial of service. (CVE-2020-36322)

It was discovered that the Infiniband RDMA userspace connection manager implementation in the Linux kernel contained a race condition leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possible execute arbitrary code. (CVE-2020-36385)

It was discovered that the DRM subsystem in the Linux kernel contained double-free vulnerabilities. A privileged attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-20292)

It was discovered that a race condition existed in the timer implementation in the Linux kernel. A privileged attacker could use…