{"action":"Upgrade linux to 6.4.4-1 or later.","affected":[{"fixed":"6.4.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.4-1"],"id":"tcs_01M5NJN8X89P2MVCXEWP9ZWH54","modified_at":"2026-10-23T18:02:32.279697211Z","published_at":"2025-09-15T15:15:48.873Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53221","https://security-tracker.debian.org/tracker/CVE-2023-53221"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53221#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53221"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the s"}