Description
In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCK_RCU_FREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup.
Affected products
linux: linux kernel; debian: debian linux
References7
- git.kernel.org/stable/c/3f899bd6dd56ddc46509b526e23a8f0a97712a6d Patch
- git.kernel.org/stable/c/52024cd6ec71a6ca934d0cc12452bd8d49850679 Patch
- git.kernel.org/stable/c/5c1313b93c8c2e3904a48aa88e2fa1db28c607ae Patch
- git.kernel.org/stable/c/a8a3b61ce140e2b0a72a779e8d70f60c0cf1e47a Patch
- git.kernel.org/stable/c/b9764ebebb007249fb733a131b6110ff333b6616 Patch
- git.kernel.org/stable/c/e3b5edbdb45924a7d4206d13868a2aac71f1e53d Patch
- lists.debian.org/debian-lts-announce/2025/05/msg00045.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: 15 · as of 7 November 2026
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.