Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: 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.
Affected products
linux: linux kernel; debian: debian linux
References9
- git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0 Patch
- git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3 Patch
- git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831 Patch
- git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa Patch
- git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7 Patch
- git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a Patch
- git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00008.html Mailing ListThird Party Advisory
- cert-portal.siemens.com/productcert/html/ssa-032379.html
Metrics
- CVSS 3.1
-
7.0
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 39 · as of 8 November 2026
- CWE
- CWE-203
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.