{"action":"Upgrade linux to 6.16.8-1 or later.","affected":[{"fixed":"6.16.8-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.16.8-1"],"id":"tcs_01M5NNPYWXCRV1W5SJKRGA5S3R","modified_at":"2026-10-23T18:04:34.754702585Z","published_at":"2025-09-23T06:15:46.813Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39874","https://security-tracker.debian.org/tracker/CVE-2025-39874"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39874","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39874"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTM_NEWLINK Syzkaller managed to lock the lower device via ETHTOOL_SFEATURES: netdev_lock include/linux/net"}