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Overview

Vulnerability Score 2.1 2.1
CVE Id CVE-2012-4536
Last Modified 05 May 2014 01:14:43
Published 21 Nov 2012 06:55:02
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector LOCAL
Access Complexity LOW
Authentication NONE

CVE-2012-4536

Summary

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Vulnerable Systems

Operating System

  • Xen 2.2.0


References

XF - xen-domainpirqtoemuirq-dos(80023)

SECTRACK - 1027760

MLIST - [oss-security] 20121113 Xen Security Advisory 21 (CVE-2012-4536) - pirq range check DoS vulnerability

OSVDB - 87297

MLIST - [Xen-announce] 20121113 Xen Security Advisory 21 (CVE-2012-4536) - pirq range check DoS vulnerability

SUSE - openSUSE-SU-2012:1572

SUSE - SUSE-SU-2012:1487

SUSE - SUSE-SU-2012:1486

BID - 56498

SECUNIA - 51200

SECUNIA - 51413

SECUNIA - 51352

SECUNIA - 51324

GENTOO - GLSA-201309-24

SECUNIA - 55082

SUSE - openSUSE-SU-2012:1573

Related Patches

Novell SUSE 2012:7015 libvirt-201211 security update for SLE 11 SP2 i586

Novell SUSE 2012:7015 libvirt-201211 security update for SLE 11 SP2 x86_64

Novell SUSE 2012:7018 xen-201211 security update for SLE 11 SP2 i586

Novell SUSE 2012:7018 xen-201211 security update for SLE 11 SP2 x86_64

Novell SUSE 2012:7081 vminstall-201211 recommended update for SLE 11 SP2 i586

Novell SUSE 2012:7081 vminstall-201211 recommended update for SLE 11 SP2 x86_64

Novell SUSE 2012:8359 xen-201211 security update for SLE 10 SP4 i586

Novell SUSE 2012:8359 xen-201211 security update for SLE 10 SP4 x86_64


Last Updated: 27 May 2016 11:03:12