{"action":"Upgrade xen to 4.17.7-0+deb12u1 or later.","affected":[{"fixed":"4.17.7-0+deb12u1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.17.7-0+deb12u1"],"id":"tcs_01M5NP1RE2F9D0E60Z0G3QPRZZ","modified_at":"2026-10-04T22:00:06.664975999Z","published_at":"2026-05-15T05:16:33.013Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-54518","https://security-tracker.debian.org/tracker/CVE-2025-54518"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-54518","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-54518"}],"summary":"Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resul"}