SUSE-SU-2023:3773-1
SUSE-SU-2023:3773-1 · Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP4)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-livepatch-sle15-sp4-rt_update_9 SUSE:Linux Enterprise Live Patching 15 SP4
- Affected ranges
- ECOSYSTEM: < 3-150400.2.1
Update to 3-150400.2.1
Original sources
- https://www.suse.com/support/update/announcement/2023/suse-su-20233773-1/
- https://bugzilla.suse.com/1213064
- https://bugzilla.suse.com/1213587
- https://bugzilla.suse.com/1214123
- https://bugzilla.suse.com/1215119
- https://www.suse.com/security/cve/CVE-2023-31248
- https://www.suse.com/security/cve/CVE-2023-3609
- https://www.suse.com/security/cve/CVE-2023-3776
- https://www.suse.com/security/cve/CVE-2023-4273
- https://osv.dev/vulnerability/SUSE-SU-2023:3773-1