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The SUSE Linux Enterprise 15 SP3 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-2022-0330: Fixed flush TLBs before releasing backing store
(bsc#1194880).
- CVE-2022-0286: Fixed null pointer dereference in bond_ipsec_add_sa()
that may have lead to local denial of service (bnc#1195371).
- CVE-2022-22942: Fixed stale file descriptors on failed usercopy
(bsc#1195065).
- CVE-2021-45095: Fixed refcount leak in pep_sock_accept in
net/phonet/pep.c (bnc#1193867).
- 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-2021-39685: Fixed USB gadget buffer overflow caused by too large
endpoint 0 requests (bsc#1193802).
- 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-2021-22600: Fixed double free bug in packet_set_ring() in
net/packet/af_packet.c that could have been exploited by a local user
through crafted syscalls to escalate privileges or deny service
(bnc#1195184).
- CVE-2020-28097: Fixed out-of-bounds read in vgacon subsystem that
mishandled software scrollback (bnc#1187723).
The following non-security bugs were fixed:
https://lists.suse.com/pipermail/sle-security-updates/2022-February/010216.html
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