{"id":"CVE-2025-58143","details":"[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nThere are multiple issues related to the handling and accessing of guest\nmemory pages in the viridian code:\n\n 1. A NULL pointer dereference in the updating of the reference TSC area.\n    This is CVE-2025-27466.\n\n 2. A NULL pointer dereference by assuming the SIM page is mapped when\n    a synthetic timer message has to be delivered.  This is\n    CVE-2025-58142.\n\n 3. A race in the mapping of the reference TSC page, where a guest can\n    get Xen to free a page while still present in the guest physical to\n    machine (p2m) page tables.  This is CVE-2025-58143.","modified":"2026-03-25T17:59:19.172936Z","published":"2025-09-11T14:15:42.470Z","related":["MGASA-2025-0270","SUSE-SU-2025:03172-1","SUSE-SU-2025:3797-1","SUSE-SU-2025:3798-1","SUSE-SU-2025:3843-1","SUSE-SU-2026:0012-1","SUSE-SU-2026:0303-1","openSUSE-SU-2025:15547-1"],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/09/09/1"},{"type":"ADVISORY","url":"https://xenbits.xenproject.org/xsa/advisory-472.html"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-472.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-58143.json","unresolved_ranges":[{"events":[{"introduced":"4.13.0"},{"fixed":"4.17.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}