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The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
- CVE-2022-0435: Fixed remote stack overflow in net/tipc module that
validate domain record count on input (bsc#1195254).
- CVE-2021-3564: Fixed double-free memory corruption in the Linux kernel
HCI device initialization subsystem that could have been used by
attaching malicious HCI TTY Bluetooth devices. A local user could use
this flaw to crash the system (bnc#1186207).
- CVE-2020-28097: Fixed out-of-bounds read in vgacon subsystem that
mishandled software scrollback (bnc#1187723).
- CVE-2021-44733: Fixed a use-after-free exists in drivers/tee/tee_shm.c
in the TEE subsystem, that could have occured because of a race
condition in tee_shm_get_from_id during an attempt to free a shared
memory object (bnc#1193767).
- CVE-2022-0322: Fixed SCTP issue with account stream padding length for
reconf chunk (bsc#1194985).
- CVE-2021-4135: Fixed zero-initialize memory inside netdevsim for new
map's value in function nsim_bpf_map_alloc (bsc#1193927).
- CVE-2022-22942: Fixed stale file descriptors on failed usercopy
(bsc#1195065).
- CVE-2021-39657: Fixed out of bounds read due to a missing bounds check
in ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local
information disclosure with System execution privileges needed
(bnc#1193864).
- CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a
race condition in gadget_dev_desc_UDC_show of configfs.c. This could
lead to local information disclosure with System execution privileges
needed. User interaction is not needed for exploitation (bnc#1193861).
- CVE-2022-0330: Fixed flush TLBs before releasing backing store
(bsc#1194880).
- CVE-2021-4197: Use cgroup open-time credentials for process migraton
perm checks (bsc#1194302).
- CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag
(bsc#1194529).
- CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage
collection for Unix domain socket file handlers when users call close()
and fget() simultaneouslyand can potentially trigger a race condition
(bnc#1193727).
- CVE-2021-4149: Fixed btrfs unlock newly allocated extent buffer after
error (bsc#1194001).
The following non-security bugs were fixed:
https://lists.suse.com/pipermail/sle-security-updates/2022-February/010215.html
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