CVE-2012-4538

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

🔗 References (42)

• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
• secalert@redhathttp://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html
• secalert@redhathttp://osvdb.org/87306
• secalert@redhathttp://secunia.com/advisories/51200
• secalert@redhathttp://secunia.com/advisories/51324
• secalert@redhathttp://secunia.com/advisories/51352
• secalert@redhathttp://secunia.com/advisories/51413
• secalert@redhathttp://secunia.com/advisories/51468
• secalert@redhathttp://secunia.com/advisories/55082
• secalert@redhathttp://security.gentoo.org/glsa/glsa-201309-24.xml