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Overview

Vulnerability Score 4.7 4.7
CVE Id CVE-2012-5515
Last Modified 19 Apr 2014 12:28:29
Published 13 Dec 2012 06:53:49
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector LOCAL
Access Complexity MEDIUM
Authentication NONE

CVE-2012-5515

Summary

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.

Vulnerable Systems

Operating System

  • Xen 3.0.2

  • Xen 3.0.3

  • Xen 3.0.4

  • Xen 3.1.3

  • Xen 3.1.4

  • Xen 3.2.0

  • Xen 3.2.1

  • Xen 3.2.2

  • Xen 3.2.3

  • Xen 3.3.0

  • Xen 3.3.1

  • Xen 3.3.2

  • Xen 3.4.0

  • Xen 3.4.1

  • Xen 3.4.2

  • Xen 3.4.3

  • Xen 3.4.4

  • Xen 4.0.0

  • Xen 4.0.1

  • Xen 4.0.2

  • Xen 4.0.3

  • Xen 4.0.4

  • Xen 4.1.0

  • Xen 4.1.1

  • Xen 4.1.2

  • Xen 4.1.3

  • Xen 4.2.0


References

XF - xen-extentorder-dos(80479)

BID - 56798

OSVDB - 88127

MLIST - [oss-security] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values

DEBIAN - DSA-2582

CONFIRM - http://support.citrix.com/article/CTX135777

SECUNIA - 51495

SECUNIA - 51487

SECUNIA - 51486

SECUNIA - 51468

SECUNIA - 51397

MLIST - [Xen-announce] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values

SUSE - SUSE-SU-2012:1615

SUSE - SUSE-SU-2012:1606

SUSE - openSUSE-SU-2013:0133

SUSE - openSUSE-SU-2012:1687

SUSE - openSUSE-SU-2012:1685

SUSE - openSUSE-SU-2013:0637

SUSE - openSUSE-SU-2013:0636

GENTOO - GLSA-201309-24

SECUNIA - 55082

SUSE - SUSE-SU-2014:0470

SUSE - SUSE-SU-2014:0446

Related Patches

Red Hat 2013:0168-01 RHSA Moderate: kernel security and bug fix update for RHEL 5 x86

Novell SUSE 2012:7133 xen security update for SLE 11 SP2 x86_64

Novell SUSE 2012:8379 xen security update for SLE 10 SP4 i586

Novell SUSE 2012:8379 xen security update for SLE 10 SP4 x86_64


Last Updated: 27 May 2016 11:01:48