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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-2022-28748: 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:
https://lists.suse.com/pipermail/sle-security-updates/2022-May/011035.html
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