Detections
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CVE-2025-39702

high

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.

References

https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

https://www.cisa.gov/news-events/ics-advisories/icsa-26-134-10

https://git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884

https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a

https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7

https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa

https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831

https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3

https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0

https://cert-portal.siemens.com/productcert/html/ssa-032379.html

Details

Source: Mitre, NVD

Published: 2025-09-05

Updated: 2026-05-12

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00024