Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_15_40 fixes several issues.
The following security issues were fixed:
- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).
- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123).
- CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587).
- CVE-2023-31248: Fixed an use-after-free vulnerability in nft_chain_lookup_byid that could allow a local attacker to escalate their privilege (bsc#1213064).
Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_15_40 fixes several issues.
The following security issues were fixed:
- CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211395).
- CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213063).
The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210335).
- CVE-2023-3389: Fixed a use-after-free vulnerability in the io_uring subsystem (bsc#1212838).
- CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver (bsc#1212842).
- CVE-2023-3111: Fixed a use-after-free vulnerability in prepare_to_relocate in fs/btrfs/relocation.c (bsc#1212051).
- CVE-2023-3212: Fixed a NULL pointer dereference flaw in the gfs2 file system (bsc#1212265).
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