{"action":"Upgrade linux-6.12 to 6.12.100-1~deb12u1 or later.","affected":[{"fixed":"6.12.100-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.100-1~deb12u1"],"id":"tcs_01M5NTH1NYQMV98VZZSKHD8N9T","modified_at":"2026-10-23T18:05:01.483808940Z","published_at":"2026-07-25T10:17:29.850Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-64450","https://security-tracker.debian.org/tracker/CVE-2026-64450"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-64450#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-64450"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATE_MSG can carry a Gap ACK blocks record in its dat"}