Description
In the Linux kernel, the following vulnerability has been resolved: sctp: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
References8
- git.kernel.org/stable/c/0b32ff285ff6f6f1ac1d9495787ccce8837d6405
- git.kernel.org/stable/c/0e8b8c326c2a6de4d837b1bb034ea704f4690d77
- git.kernel.org/stable/c/1cd60e0d0fb8f0e62ec4499138afce6342dc9d4c
- git.kernel.org/stable/c/8019b3699289fce3f10b63f98601db97b8d105b0
- git.kernel.org/stable/c/9c05d44ec24126fc283835b68f82dba3ae985209
- git.kernel.org/stable/c/b93fa8dc521d00d2d44bf034fb90e0d79b036617
- git.kernel.org/stable/c/dd91c79e4f58fbe2898dac84858033700e0e99fb
- git.kernel.org/stable/c/ed3044b9c810c5c24eb2830053fbfe5fd134c5d4
Metrics
- CVSS 3.1
-
8.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 41 · as of 10 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.