netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 87% of all CVEs
observed exploitation
nono source reports it
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 · LinuxReferences
https://git.kernel.org/stable/c/0f501dae16b7099e69ee9b0d5c70b8f40fd30e98https://git.kernel.org/stable/c/38cc1605338d99205a263707f4dde76408d3e0e8https://git.kernel.org/stable/c/65ee90efc928410c6f73b3d2e0afdd762652c09dhttps://git.kernel.org/stable/c/8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4https://git.kernel.org/stable/c/b775ced05489f4b77a35fe203e9aeb22f428e38fhttps://git.kernel.org/stable/c/cfe3550ea5df292c9e2d608e8c4560032391847ehttps://git.kernel.org/stable/c/f549f340c91f08b938d60266e792ff7748dae483https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html