National Cyber Awareness System

Vulnerability Summary for CVE-2012-4539

Overview

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."

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-gnttabopgetstatus-dos(80026)

Hyperlink:http://xforce.iss.net/xforce/xfdb/80026

External Source: SECTRACK

Name: 1027763

Hyperlink:http://www.securitytracker.com/id?1027763

External Source: OSVDB

Name: 87305

Hyperlink:http://www.osvdb.org/87305

External Source: MLIST

Name: [oss-security] 20121113 Xen Security Advisory 24 (CVE-2012-4539) - Grant table hypercall infinite loop DoS vulnerability

Hyperlink:http://www.openwall.com/lists/oss-security/2012/11/13/4

External Source: DEBIAN

Name: DSA-2582

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

External Source: SECUNIA

Name: 51468

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

External Source: MLIST

Name: [Xen-announce] 20121113 Xen Security Advisory 24 (CVE-2012-4539) - Grant table hypercall infinite loop DoS vulnerability

Type: Advisory

Hyperlink:http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.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

External Source: SUSE

Name: openSUSE-SU-2012:1572

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html

External Source: SUSE

Name: SUSE-SU-2012:1487

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html

External Source: SUSE

Name: SUSE-SU-2012:1486

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html