Description
In the Linux kernel, the following vulnerability has been resolved: seg6: Fix validation of nexthop addresses The kernel currently validates that the length of the provided nexthop address does not exceed the specified length. This can lead to the kernel reading uninitialized memory if user space provided a shorter length than the specified one. Fix by validating that the provided length exactly matches the specified one.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
d1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < 668923c474608dd9ebce0fbcc41bd8a27aa73dd6affectedd1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bacaffectedd1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < d2507aeea45b3c5aa24d5daae0cf3db76895c0b7affectedd1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < d5d9fd13bc19a3f9f2a951c5b6e934d84205789eaffectedd1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < cd4cd09810211fa23609c5c1018352e9e1cd8e5aaffectedd1df6fd8a1d22d37cffa0075ab8ad423ce656777 to < 7632fedb266d93ed0ed9f487133e6c6314a9b2d1affected
Linux Linux
Default version status: affected
4.14affected0 to < 4.14unaffected5.15.186 to ≤ 5.15.*unaffected6.1.142 to ≤ 6.1.*unaffected6.6.94 to ≤ 6.6.*unaffected6.12.34 to ≤ 6.12.*unaffected6.15.3 to ≤ 6.15.*unaffected6.16 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/668923c474608dd9ebce0fbcc41bd8a27aa73dd6 ↗
- https://git.kernel.org/stable/c/cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bac ↗
- https://git.kernel.org/stable/c/d2507aeea45b3c5aa24d5daae0cf3db76895c0b7 ↗
- https://git.kernel.org/stable/c/d5d9fd13bc19a3f9f2a951c5b6e934d84205789e ↗
- https://git.kernel.org/stable/c/cd4cd09810211fa23609c5c1018352e9e1cd8e5a ↗
- https://git.kernel.org/stable/c/7632fedb266d93ed0ed9f487133e6c6314a9b2d1 ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html ↗