National Cyber Awareness System

Vulnerability Summary for CVE-2013-0190

Overview

The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23 and other versions, when running a 32-bit PVOPS guest, allows local users to cause a denial of service (guest crash) by triggering an iret fault, leading to use of an incorrect stack pointer and stack corruption.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=896038

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=896038

External Source: UBUNTU

Name: USN-1728-1

Hyperlink:http://www.ubuntu.com/usn/USN-1728-1

External Source: UBUNTU

Name: USN-1725-1

Hyperlink:http://www.ubuntu.com/usn/USN-1725-1

External Source: BID

Name: 57433

Hyperlink:http://www.securityfocus.com/bid/57433

External Source: MLIST

Name: [oss-security] 20130116 Xen Security Advisory 40 (CVE-2013-0190) - Linux stack corruption in xen_failsafe_callback for 32bit PVOPS guests.

Hyperlink:http://www.openwall.com/lists/oss-security/2013/01/16/8

External Source: MLIST

Name: [oss-security] 20130116 [PATCH] xen: Fix stack corruption in xen_failsafe_callback for 32bit PVOPS guests.

Hyperlink:http://www.openwall.com/lists/oss-security/2013/01/16/6

External Source: REDHAT

Name: RHSA-2013:0496

Hyperlink:http://rhn.redhat.com/errata/RHSA-2013-0496.html