{"action":"Upgrade linux to 6.12.19-1 or later.","affected":[{"fixed":"6.12.19-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.19-1"],"id":"tcs_01M5NN3HV1QB2P498JFVT4ZKDF","modified_at":"2026-09-01T20:05:43.155283430Z","published_at":"2025-04-01T16:15:25.513Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21944","https://security-tracker.debian.org/tracker/CVE-2025-21944"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21944#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21944"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2_lock If lock count is greater than 1, flags could be old value. It should be checked with flags of sm"}