{"action":"Upgrade linux to 6.12.11-1 or later.","affected":[{"fixed":"6.12.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.11-1"],"id":"tcs_01M5NN0HT6HT2HVD5EP6QPQG3H","modified_at":"2026-09-01T20:05:42.052101981Z","published_at":"2025-01-31T12:15:27.763Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21666","https://security-tracker.debian.org/tracker/CVE-2025-21666"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21666#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21666"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: vsock: prevent null-ptr-deref in vsock_*[has_data|has_space] Recent reports have shown how we sometimes call vsock_*_has_data() when"}