{"action":"Upgrade linux to 6.12.100-1 or later.","affected":[{"fixed":"6.12.100-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.100-1"],"id":"tcs_01M5NSVWYKT5YB0R90DR86Q35J","modified_at":"2026-10-23T18:05:39.222283426Z","published_at":"2026-06-25T09:16:43.993Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-53260","https://security-tracker.debian.org/tracker/CVE-2026-53260"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-53260","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-53260"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req(). syzbot reported a weird reqsk->rsk_refcnt underflow in __inet_"}