CVE-2025-38310
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/668923c474608dd9ebce0fbcc41bd8a27aa73dd6 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/668923c474608dd9ebce0fbcc41bd8a27aa73dd6Patch
- https://git.kernel.org/stable/c/7632fedb266d93ed0ed9f487133e6c6314a9b2d1Patch
- https://git.kernel.org/stable/c/cd4cd09810211fa23609c5c1018352e9e1cd8e5aPatch
- https://git.kernel.org/stable/c/cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bacPatch
- https://git.kernel.org/stable/c/d2507aeea45b3c5aa24d5daae0cf3db76895c0b7Patch
- https://git.kernel.org/stable/c/d5d9fd13bc19a3f9f2a951c5b6e934d84205789ePatch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlAdvisory