CVE-2025-38120
CRITICAL severity · CVSS 9.4
9.4CVSS CRITICAL
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_set_pipapo_avx2: fix initial map fill If the first field doesn't cover the entire start map, then we must zero out the remainder, else we leak those bits into the next match round map. The early fix was incomplete and did only fix up the generic C implementation. A followup patch adds a test case to nft_concat_range.sh.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/251496ce1728c9fd47bd2b20a7b21b20b9a020ca ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/251496ce1728c9fd47bd2b20a7b21b20b9a020caPatch
- https://git.kernel.org/stable/c/39bab2d3517b5b50c609b4f8c66129bf619fffa0Patch
- https://git.kernel.org/stable/c/8068e1e42b46518ce680dc6470bcd710efc3fa0aPatch
- https://git.kernel.org/stable/c/8164d0efaf370c425dc69a1e8216940d09e7de0cPatch
- https://git.kernel.org/stable/c/90bc7f5a244aadee4292b28098b7c98aadd4b3aaPatch
- https://git.kernel.org/stable/c/b5ad58285f9217d68cd5ea2ad86ce254a3fe7c4dPatch
- https://git.kernel.org/stable/c/ea77c397bff8b6d59f6d83dae1425b08f465e8b5Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlAdvisory