{"id":"CVE-2015-7835","details":"The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.","modified":"2026-02-04T02:20:03.636090Z","published":"2015-10-30T15:59:04Z","related":["MGASA-2016-0098","SUSE-SU-2015:1853-1","SUSE-SU-2015:1894-1","SUSE-SU-2015:1908-1","SUSE-SU-2015:1952-1","SUSE-SU-2015:2324-1","SUSE-SU-2015:2328-1","SUSE-SU-2015:2338-1","openSUSE-SU-2024:10196-1"],"references":[{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3390"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-148.html"},{"type":"ADVISORY","url":"https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-022-2015.txt"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201604-03"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html"},{"type":"WEB","url":"http://support.citrix.com/article/CTX202404"},{"type":"WEB","url":"http://www.securityfocus.com/bid/77366"},{"type":"WEB","url":"http://www.securitytracker.com/id/1034032"}],"schema_version":"1.7.3"}