{"id":"USN-7489-2","aliases":[],"status":"published","title":"linux-realtime vulnerability","description":"A security issue was discovered in the Linux kernel.\nAn attacker could possibly use this to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - Timer subsystem;\n(CVE-2025-21813)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2025-05-07T16:10:36.200955Z","modified":"2026-02-04T03:33:50Z","fixes":[{"ecosystem":"Ubuntu:24.10","package":"linux-realtime","fixed_in":["6.11.0-1009.9"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:24.10","package":"linux-realtime","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.0-1009.9"}]}],"versions":["6.11.0-1001.1","6.11.0-1002.2","6.11.0-1003.3","6.11.0-1004.4","6.11.0-1005.5","6.11.0-1006.6","6.11.0-1007.7","6.11.0-1008.8"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-7489-2","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-21813","tags":["report"]}],"sources":{"osv":[{"id":"USN-7489-2","title":"linux-realtime vulnerability","description":"A security issue was discovered in the Linux kernel.\nAn attacker could possibly use this to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - Timer subsystem;\n(CVE-2025-21813)\n","status":"published","published":"2025-05-07T16:10:36.200955Z","modified":"2026-02-04T03:33:50.198852Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}
