CVE-2024-26673

HIGH

Linux Kernel 5.3-6.7.3 - DoS via Malformed Netfilter Custom Expectations

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.

References (8)

Core 8

Scores

CVSS v3 7.1
EPSS 0.0001
EPSS Percentile 1.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (25)
debian/debian_linux 10.0
linux/Kernel 5.11.0 - 5.15.149linux
linux/Kernel 5.16.0 - 6.1.77linux
linux/Kernel 5.3.0 - 5.4.269linux
linux/Kernel 5.5.0 - 5.10.210linux
linux/Kernel 6.2.0 - 6.6.16linux
linux/Kernel 6.7.0 - 6.7.4linux
Linux/Linux < 5.3
Linux/Linux 5.10.210 - 5.10.*
Linux/Linux 5.15.149 - 5.15.*
... and 15 more
Published Apr 02, 2024
Tracked Since Feb 18, 2026