Description
In the Linux kernel, the following vulnerability has been resolved: inet: read sk->sk_family once in inet_recv_error() inet_recv_error() is called without holding the socket lock. IPv6 socket could mutate to IPv4 with IPV6_ADDRFORM socket option and trigger a KCSAN warning.
Affected products
linux: linux kernel; debian: debian linux
References10
- git.kernel.org/stable/c/307fa8a75ab7423fa5c73573ec3d192de5027830 Patch
- git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41 Patch
- git.kernel.org/stable/c/4a5e31bdd3c1702b520506d9cf8c41085f75c7f2 Patch
- git.kernel.org/stable/c/54538752216bf89ee88d47ad07802063a498c299 Patch
- git.kernel.org/stable/c/5993f121fbc01dc2d734f0ff2628009b258fb1dd Patch
- git.kernel.org/stable/c/88081ba415224cf413101def4343d660f56d082b Patch
- git.kernel.org/stable/c/caa064c3c2394d03e289ebd6b0be5102eb8a5b40 Patch
- git.kernel.org/stable/c/eef00a82c568944f113f2de738156ac591bbd5cd Patch
- git.kernel.org/stable/c/307fa8a75ab7423fa5c73573ec3d192de5027830 Patch
- git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41 Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 5 November 2026
- CWE
- CWE-667
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.