{"action":"Upgrade linux-6.12 to 6.12.111-1~deb12u1 or later.","affected":[{"fixed":"6.12.111-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.111-1~deb12u1"],"id":"tcs_01M5NW8FANRG8WSEEJE4XBS9W2","modified_at":"2026-10-23T18:04:38.194073703Z","published_at":"2026-09-11T20:19:43.920Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-89593","https://security-tracker.debian.org/tracker/CVE-2026-89593"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-89593#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-89593"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: hugetlb: only adjust reservation during unmapping if mapcount is 0 Since df7a6d1f6405, __unmap_hugepage_range can adjust reservation"}