Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_24_41 fixes several issues.
The following security issues were fixed:
- CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation failure (bsc#1208700).
- CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208838).
- CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could have been used in a use-after-free that could have resulted in a priviledge escalation to gain ring0 access from the system user (bsc#1207190).
The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2022-3344: Fixed a bug where nested shutdown interception could lead to host crash (bsc#1204652)
- CVE-2022-4662: Fixed a recursive locking violation in usb-storage that can cause the kernel to deadlock. (bsc#1206664)
- CVE-2022-3115: Fixed a null pointer dereference in malidp_crtc.c caused by a lack of checks of the return value of kzalloc. (bsc#1206393)
- CVE-2022-47520: Fixed an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet. (bsc#1206515)
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