CVE-2023-5197
Use-after-free in Linux kernel's netfilter: nf_tables component
MEDIUM 6.6EPSS 0.4%
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free.We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.
- Affected
- Linux · Kernel
- CVSS v3.1 NVD
- 6.6 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - CVSS v3.1 GOOGLE
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.37% chance of exploitation in the next 30 days, 29th percentile
- Published
- 2023-09-26
- Updated
- 2026-10-14
Exploit collections (3)
- linux/kernelctf/CVE-2023-5197_lts_cosgoogle/security-research
- linux/kernelctf/CVE-2023-5197_lts_cos_2google/security-research
- linux/kernelctf/CVE-2023-5197_mitigationgoogle/security-research
Security advisories
- https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1…
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd477…