{"action":"Upgrade linux to 6.12.21-1 or later.","affected":[{"fixed":"6.12.21-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.21-1"],"id":"tcs_01M5NN44ZAFH1RR3803TDF89T6","modified_at":"2026-10-15T09:47:36.594988150Z","published_at":"2025-04-03T08:15:15.360Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21999","https://security-tracker.debian.org/tracker/CVE-2025-21999"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21999#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21999"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: proc: fix UAF in proc_get_inode() Fix race between rmmod and /proc/XXX's inode instantiation. The bug is that pde->proc_ops don't be"}