{"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:14","exploited":false,"fixed_versions":["6.4.11-1"],"id":"tcs_01M5NJXM45MFDF0VZDG3K6YJZR","modified_at":"2026-10-23T17:47:24.222173807Z","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:14/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"}