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.
CVE-2023-5197
CVSS base score
7.8 (v3.1)
Severity
HIGH
Attack vector
Local
Weakness
CWE-416
Last modified
November 2, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
debian debian linux
linux linux kernel
References
- packetstormsecurity.com Third Party Advisory
- git.kernel.org Patch
- kernel.dance Patch, Vendor Advisory
- lists.debian.org Mailing List, Third Party Advisory
- packetstormsecurity.com Third Party Advisory
- git.kernel.org Patch
- kernel.dance Patch, Vendor Advisory
- lists.debian.org Mailing List, Third Party Advisory
- cert-portal.siemens.com