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Status published
Unknown
CVE-2025-39702
ipv6: sr: Fix MAC comparison to be constant-time
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884
- https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0
- https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831
- https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3
- https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7
- https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a
- https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
bf355b8d2c30a289232042cacc1cfaea4923936c, 4.10, 0, 5.10.249, 5.15.190, 6.1.149, 6.6.103, 6.12.44, 6.16.4, 6.17
Timeline
Official Publish:
September 5th, 2025
Last Modified:
May 12th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.