# CVE-2025-38251: atm: clip: prevent NULL deref in clip_push()

Status: published. Published: 2025-07-09. Updated: 2026-11-05.

In the Linux kernel, the following vulnerability has been resolved:

atm: clip: prevent NULL deref in clip_push()

Blamed commit missed that vcc_destroy_socket() calls
clip_push() with a NULL skb.

If clip_devs is NULL, clip_push() then crashes when reading
skb->truesize.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linux / Linux: ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < 41f6420ee845006354c004839fed07da71e34aee (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < 9199e8cb75f13a1650adcb3c6cad42789c43884e (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < 88c88f91f4b3563956bb52e7a71a3640f7ece157 (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < 3c709dce16999bf6a1d2ce377deb5dd6fdd8cb08 (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < a07005a77b18ae59b8471e7e4d991fa9f642b3c2 (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < ede31ad949ae0d03cb4c5edd79991586ad7c8bb8 (affected, git); ≥ 93a2014afbace907178afc3c9c1e62c9a338595a; < b993ea46b3b601915ceaaf3c802adf11e7d6bac6 (affected, git). Source: CNA: Linux
- Linux / Linux: 5.7 (affected); ≥ 0; < 5.7 (unaffected, semver); ≥ 5.10.240; ≤ 5.10.* (unaffected, semver); ≥ 5.15.187; ≤ 5.15.* (unaffected, semver); ≥ 6.1.143; ≤ 6.1.* (unaffected, semver); ≥ 6.6.96; ≤ 6.6.* (unaffected, semver); ≥ 6.12.36; ≤ 6.12.* (unaffected, semver); ≥ 6.15.5; ≤ 6.15.* (unaffected, semver); ≥ 6.16; ≤ * (unaffected, original_commit_for_fix). Source: CNA: Linux

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 0.18% as of 2026-11-05; percentile 7.58%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://git.kernel.org/stable/c/41f6420ee845006354c004839fed07da71e34aee (CNA: Linux)

- https://git.kernel.org/stable/c/9199e8cb75f13a1650adcb3c6cad42789c43884e (CNA: Linux)

- https://git.kernel.org/stable/c/88c88f91f4b3563956bb52e7a71a3640f7ece157 (CNA: Linux)

- https://git.kernel.org/stable/c/3c709dce16999bf6a1d2ce377deb5dd6fdd8cb08 (CNA: Linux)

- https://git.kernel.org/stable/c/a07005a77b18ae59b8471e7e4d991fa9f642b3c2 (CNA: Linux)

- https://git.kernel.org/stable/c/ede31ad949ae0d03cb4c5edd79991586ad7c8bb8 (CNA: Linux)

- https://git.kernel.org/stable/c/b993ea46b3b601915ceaaf3c802adf11e7d6bac6 (CNA: Linux)

- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (ADP: CVE)

- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (ADP: CVE)

## Provenance

- CNA: Linux: https://www.cve.org/CVERecord?id=CVE-2025-38251; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-38251; retrieved 2026-11-05; source updated Not reported

Revision: 682f9d102c94da7880a64c8c5b72499a781a816be1db6f23d42c5e035c757374

Canonical: https://y2.dev/cve/CVE-2025-38251

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