CVE-2025-40204

CVE-2025-40204

High · published November 13, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
39.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00467 · 39.5th percentile
Published
2025-11-13T03:15Z
References (8)
EPSS history
Timeline
  • 12 NOV 21:56Z
    sctp: Fix MAC comparison to be constant-time
    cvelistv5