{"id":"CVE-2025-39702","summary":"ipv6: sr: Fix MAC comparison to be constant-time","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: sr: Fix MAC comparison to be constant-time\n\nTo prevent timing attacks, MACs need to be compared in constant time.\nUse the appropriate helper function for this.","modified":"2026-04-16T04:40:19.520670098Z","published":"2025-09-05T17:21:08.674Z","related":["ALSA-2025:19409","ALSA-2025:19469","SUSE-SU-2025:21040-1","SUSE-SU-2025:21052-1","SUSE-SU-2025:21056-1","SUSE-SU-2025:21064-1","SUSE-SU-2025:21080-1","SUSE-SU-2025:21147-1","SUSE-SU-2025:21180-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4128-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4140-1","SUSE-SU-2025:4141-1","SUSE-SU-2025:4189-1","SUSE-SU-2025:4301-1","openSUSE-SU-2025:20091-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39702.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff55a452d56490047f5233cc48c5d933f8586884"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39702.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39702"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bf355b8d2c30a289232042cacc1cfaea4923936c"},{"fixed":"ff55a452d56490047f5233cc48c5d933f8586884"},{"fixed":"3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0"},{"fixed":"86b6d34717fe0570afce07ee79b8eeb40341f831"},{"fixed":"3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3"},{"fixed":"b3967c493799e63f648e9c7b6cb063aa2aed04e7"},{"fixed":"f7878d47560d61e3f370aca3cebb8f42a55b990a"},{"fixed":"a458b2902115b26a25d67393b12ddd57d1216aaa"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39702.json"}}],"schema_version":"1.7.5"}