{"action":"Upgrade linux to 6.4.11-1 or later.","affected":[{"fixed":"6.4.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.11-1"],"id":"tcs_01M5NJXM1E4WM6JJKRAXS7C5B2","modified_at":"2026-10-26T17:47:38.980979422Z","published_at":"2025-12-30T13:16:15.193Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-54264","https://security-tracker.debian.org/tracker/CVE-2023-54264"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-54264#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-54264"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to"}