Description
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.
Affected products
linux: linux kernel; debian: debian linux
References9
- git.kernel.org/stable/c/3c709dce16999bf6a1d2ce377deb5dd6fdd8cb08 Patch
- git.kernel.org/stable/c/41f6420ee845006354c004839fed07da71e34aee Patch
- git.kernel.org/stable/c/88c88f91f4b3563956bb52e7a71a3640f7ece157 Patch
- git.kernel.org/stable/c/9199e8cb75f13a1650adcb3c6cad42789c43884e Patch
- git.kernel.org/stable/c/a07005a77b18ae59b8471e7e4d991fa9f642b3c2 Patch
- git.kernel.org/stable/c/b993ea46b3b601915ceaaf3c802adf11e7d6bac6 Patch
- git.kernel.org/stable/c/ede31ad949ae0d03cb4c5edd79991586ad7c8bb8 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00007.html Mailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/10/msg00008.html Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 7 November 2026
- CWE
- CWE-476
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.