CVE-2023-5197

Name: CVE-2023-5197
Creator: NVD / NIST
Published: 2023-09-27T15:19:43.11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.6/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-5197 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.6/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

EPSS Probability

0.35%

26.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Debian	Debian Linux	10.0
Linux	Linux Kernel	>= 5.9.0, < 5.10.198
Linux	Linux Kernel	>= 5.11, < 5.15.134
Linux	Linux Kernel	>= 5.16, < 6.1.56
Linux	Linux Kernel	>= 6.2, < 6.5.6

References

http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.htmlThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325Patch
https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.htmlThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325Patch
https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing List, Third Party Advisory

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-5197?

How severe is CVE-2023-5197?

CVE-2023-5197 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5197?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5197?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST