{"action":"Upgrade xen to 4.17.2+55-g0b56bed864-1 or later.","affected":[{"fixed":"4.17.2+55-g0b56bed864-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.17.2+55-g0b56bed864-1"],"id":"tcs_01M5NJ3WM5H3MHG0KNY2GD9PYN","modified_at":"2026-10-23T18:04:24.912748258Z","published_at":"2024-01-05T17:15:08.637Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-34326","https://security-tracker.debian.org/tracker/CVE-2023-34326"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-34326#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-34326"}],"summary":"The caching invalidation guidelines from the AMD-Vi specification (48882—Rev 3.07-PUB—Oct 2022) is incorrect on some hardware, as devices will malfunction (see stale DMA mappings) if some fields of th"}