CVE-2025-39702
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
- CWE-203
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 packages
| Linux | Kernel | 4.10.0 → 5.10.249 |
| Linux | Kernel | 5.11.0 → 5.15.190 |
| Linux | Kernel | 5.16.0 → 6.1.149 |
| Linux | Kernel | 6.13.0 → 6.16.4 |
| Linux | Kernel | 6.2.0 → 6.6.103 |
| Linux | Kernel | 6.7.0 → 6.12.44 |
References
- https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0
- https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3
- https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831
- https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa
- https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7
- https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a
- https://git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
Status: profiled · ingested 2026-07-30T12:00:00.000Z