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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-26679
• https://git.kernel.org/stable/c/307fa8a75ab7423fa5c73573ec3d192de5027830
• https://git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41
• https://git.kernel.org/stable/c/4a5e31bdd3c1702b520506d9cf8c41085f75c7f2
• https://git.kernel.org/stable/c/54538752216bf89ee88d47ad07802063a498c299
• https://git.kernel.org/stable/c/5993f121fbc01dc2d734f0ff2628009b258fb1dd
• https://git.kernel.org/stable/c/88081ba415224cf413101def4343d660f56d082b
• https://git.kernel.org/stable/c/caa064c3c2394d03e289ebd6b0be5102eb8a5b40
• https://git.kernel.org/stable/c/eef00a82c568944f113f2de738156ac591bbd5cd
• https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
• https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html