National Cyber Awareness System

Vulnerability Summary for CVE-2012-5514

Overview

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: xen-guestphysmapmark-dos(80483)

Hyperlink:http://xforce.iss.net/xforce/xfdb/80483

External Source: BID

Name: 56803

Hyperlink:http://www.securityfocus.com/bid/56803

External Source: OSVDB

Name: 88130

Hyperlink:http://www.osvdb.org/88130

External Source: MLIST

Name: [oss-security] 20121203 Xen Security Advisory 30 (CVE-2012-5514) - Broken error handling in guest_physmap_mark_populate_on_demand()

Hyperlink:http://www.openwall.com/lists/oss-security/2012/12/03/12

External Source: DEBIAN

Name: DSA-2582

Hyperlink:http://www.debian.org/security/2012/dsa-2582

External Source: CONFIRM

Name: http://support.citrix.com/article/CTX135777

Hyperlink:http://support.citrix.com/article/CTX135777

External Source: SECUNIA

Name: 51487

Type: Advisory

Hyperlink:http://secunia.com/advisories/51487

External Source: SECUNIA

Name: 51486

Type: Advisory

Hyperlink:http://secunia.com/advisories/51486

External Source: SECUNIA

Name: 51468

Type: Advisory

Hyperlink:http://secunia.com/advisories/51468

External Source: SECUNIA

Name: 51397

Type: Advisory

Hyperlink:http://secunia.com/advisories/51397

External Source: SUSE

Name: openSUSE-SU-2013:0637

Hyperlink:http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html

External Source: SUSE

Name: openSUSE-SU-2013:0636

Hyperlink:http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html

External Source: SUSE

Name: openSUSE-SU-2013:0133

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html

External Source: SUSE

Name: openSUSE-SU-2012:1687

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html

External Source: SUSE

Name: openSUSE-SU-2012:1685

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html

External Source: SUSE

Name: SUSE-SU-2012:1615

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html