CVE-2025-39702

Name	CVE-2025-39702
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-6008-1, DSA-6009-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	vulnerable
	bullseye (security)	5.10.237-1	vulnerable
	bookworm	6.1.148-1	vulnerable
	bookworm (security)	6.1.153-1	fixed
	trixie	6.12.43-1	vulnerable
	trixie (security)	6.12.48-1	fixed
	forky	6.16.7-1	fixed
	sid	6.16.8-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
linux	source	bookworm	6.1.153-1	DSA-6009-1
linux	source	trixie	6.12.48-1	DSA-6008-1
linux	source	(unstable)	6.16.5-1

https://git.kernel.org/linus/a458b2902115b26a25d67393b12ddd57d1216aaa (6.17-rc3)