{"id":"CVE-2015-7970","details":"The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a \"time-consuming linear scan,\" related to Populate-on-Demand.","modified":"2026-04-16T01:44:09.832305297Z","published":"2015-10-30T15:59:06Z","withdrawn":"2026-01-27T04:15:10.156424Z","related":["SUSE-SU-2015:2306-1","SUSE-SU-2015:2326-1","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-3414"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-150.html"},{"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/2015-12/msg00053.html"},{"type":"WEB","url":"http://support.citrix.com/article/CTX202404"},{"type":"WEB","url":"http://www.securityfocus.com/bid/77362"},{"type":"WEB","url":"http://www.securitytracker.com/id/1034034"}],"schema_version":"1.7.3"}