CVE-2025-39702

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 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0	Patch
https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3	Patch
https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831	Patch
https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa	Patch
https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7	Patch
https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a	Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-09-05 18:15

Updated : 2026-01-08 16:00

NVD link : CVE-2025-39702

Mitre link : CVE-2025-39702

CVE.ORG link : CVE-2025-39702

JSON object : View

Products Affected

debian

debian_linux

linux

linux_kernel

CWE

CWE-203

Observable Discrepancy

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