{"id":"CVE-2016-1570","details":"The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.","modified":"2026-03-14T09:18:42.175126Z","published":"2016-01-22T15:59:05.913Z","related":["MGASA-2016-0098","SUSE-SU-2016:0873-1","SUSE-SU-2016:0955-1","SUSE-SU-2016:1154-1","SUSE-SU-2016:1318-1","SUSE-SU-2016:1745-1","openSUSE-SU-2024:10196-1"],"references":[{"type":"WEB","url":"http://www.securitytracker.com/id/1034744"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3519"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-167.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"3.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"3.4.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.6"}]},{"events":[{"introduced":"0"},{"last_affected":"4.1.6.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.2.5"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.3.4"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.0-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.4.3"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.1"}]},{"events":[{"introduced":"0"},{"last_affected":"4.5.2"}]},{"events":[{"introduced":"0"},{"last_affected":"4.6.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1570.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}