{"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:14","exploited":false,"fixed_versions":["6.4.4-1"],"id":"tcs_01M5NJTPRXFMQWBC7FA3TPDFE3","modified_at":"2026-10-23T17:47:50.898127888Z","published_at":"2025-12-09T01:16:53.717Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53815","https://security-tracker.debian.org/tracker/CVE-2023-53815"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53815#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53815"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimer_delete() itimer_delete() has a retry loop when the timer is concurrently expired. On non"}