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Date: Tue, 2 Apr 2024 09:01:56 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-26679: inet: read sk->sk_family once in inet_recv_error() 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. The Linux kernel CVE team has assigned CVE-2024-26679 to this issue. Affected and fixed versions =========================== Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 4.19.307 with commit caa064c3c239 Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 5.4.269 with commit 5993f121fbc0 Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 5.10.210 with commit 88081ba41522 Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 5.15.149 with commit 3266e638ba5c Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 6.1.78 with commit 54538752216b Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 6.6.17 with commit 4a5e31bdd3c1 Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 6.7.5 with commit 307fa8a75ab7 Issue introduced in 3.18 with commit f4713a3dfad0 and fixed in 6.8 with commit eef00a82c568 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-26679 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: net/ipv4/af_inet.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/caa064c3c2394d03e289ebd6b0be5102eb8a5b40 https://git.kernel.org/stable/c/5993f121fbc01dc2d734f0ff2628009b258fb1dd https://git.kernel.org/stable/c/88081ba415224cf413101def4343d660f56d082b https://git.kernel.org/stable/c/3266e638ba5cc1165f5e6989eb8c0720f1cc4b41 https://git.kernel.org/stable/c/54538752216bf89ee88d47ad07802063a498c299 https://git.kernel.org/stable/c/4a5e31bdd3c1702b520506d9cf8c41085f75c7f2 https://git.kernel.org/stable/c/307fa8a75ab7423fa5c73573ec3d192de5027830 https://git.kernel.org/stable/c/eef00a82c568944f113f2de738156ac591bbd5cd
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