{"action":"Upgrade xen to 4.20.2+7-g1badcf5035-0+deb13u1 or later.","affected":[{"fixed":"4.20.2+7-g1badcf5035-0+deb13u1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.20.2+7-g1badcf5035-0+deb13u1"],"id":"tcs_01M5NP2YKY2AZWE0HE6D5XV4DS","modified_at":"2026-10-23T17:47:47.470290660Z","published_at":"2025-10-31T12:15:35.143Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-58149","https://security-tracker.debian.org/tracker/CVE-2025-58149"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-58149#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-58149"}],"summary":"When passing through PCI devices, the detach logic in libxl won't remove access permissions to any 64bit memory BARs the device might have. As a result a domain can still have access any 64bit memory"}