CVE-2024-26673

netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

02 Apr 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98 https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8 https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09d https://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4 https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38f https://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847e https://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483 https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html