CVE-2025-39702

HIGH

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.

CVSS v3.1 Score

7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 9/5/2025Modified: 5/12/2026

Related Intelligence (1)

CRITICALData Breach

Siemens SIMATIC

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-134-10.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the late

CVE-2024-47704CVE-2024-57924
CISA Advisories

References (9)

https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0Patchhttps://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3Patchhttps://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831Patchhttps://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaaPatchhttps://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7Patchhttps://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990aPatchhttps://git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884Patchhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing ListThird Party Advisoryhttps://cert-portal.siemens.com/productcert/html/ssa-032379.html