{"action":"Upgrade linux to 6.12.95-1 or later.","affected":[{"fixed":"6.12.95-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.95-1"],"id":"tcs_01M5NTBT2XT8YM3YFFVMPVYBJ0","modified_at":"2026-10-23T18:05:39.952805370Z","published_at":"2026-07-19T16:17:12.540Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63940","https://security-tracker.debian.org/tracker/CVE-2026-63940"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63940#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63940"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting u"}