CVE-2025-38120

netfilter: nf_set_pipapo_avx2: fix initial map fill

Description

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/b5ad58285f9217d68cd5ea2ad86ce254a3fe7c4d
https://git.kernel.org/stable/c/90bc7f5a244aadee4292b28098b7c98aadd4b3aa
https://git.kernel.org/stable/c/39bab2d3517b5b50c609b4f8c66129bf619fffa0
https://git.kernel.org/stable/c/251496ce1728c9fd47bd2b20a7b21b20b9a020ca
https://git.kernel.org/stable/c/8068e1e42b46518ce680dc6470bcd710efc3fa0a
https://git.kernel.org/stable/c/ea77c397bff8b6d59f6d83dae1425b08f465e8b5

Frequently Asked Questions

What is the severity of CVE-2025-38120?: CVE-2025-38120 has not yet been assigned a CVSS score.
How to fix CVE-2025-38120?: To fix CVE-2025-38120, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38120 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38120 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38120?: CVE-2025-38120 affects Linux Linux, Linux Linux.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.