Vulnerability 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.
References
- https://git.kernel.org/stable/c/0b32ff285ff6f6f1ac1d9495787ccce8837d6405
- https://git.kernel.org/stable/c/0e8b8c326c2a6de4d837b1bb034ea704f4690d77
- https://git.kernel.org/stable/c/1cd60e0d0fb8f0e62ec4499138afce6342dc9d4c
- https://git.kernel.org/stable/c/8019b3699289fce3f10b63f98601db97b8d105b0
- https://git.kernel.org/stable/c/9c05d44ec24126fc283835b68f82dba3ae985209
- https://git.kernel.org/stable/c/b93fa8dc521d00d2d44bf034fb90e0d79b036617
- https://git.kernel.org/stable/c/dd91c79e4f58fbe2898dac84858033700e0e99fb
- https://git.kernel.org/stable/c/ed3044b9c810c5c24eb2830053fbfe5fd134c5d4
FAQ
What is CVE-2025-40204?
CVE-2025-40204 is a documented vulnerability. 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 appropr...
How severe is CVE-2025-40204?
CVSS scoring is not yet available for CVE-2025-40204. Check NVD for updates.
Is there a patch for CVE-2025-40204?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.