CVE-2015-7969 Information

Description

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of \teardowns\ of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html http://support.citrix.com/article/CTX202404 http://www.debian.org/security/2015/dsa-3414 http://www.securityfocus.com/bid/77364 http://www.securitytracker.com/id/1034033 http://xenbits.xen.org/xsa/advisory-149.html http://xenbits.xen.org/xsa/advisory-151.html https://security.gentoo.org/glsa/201604-03