{"action":"Upgrade linux to 6.12.48-1 or later.","affected":[{"fixed":"6.12.48-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.48-1"],"id":"tcs_01M5NNTWHP30FFVVRX3M7F9G6R","modified_at":"2026-10-23T18:04:36.597677520Z","published_at":"2025-09-11T17:15:45.680Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40300","https://security-tracker.debian.org/tracker/CVE-2025-40300"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40300#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40300"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation betwee"}