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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Update for xen RHSA-2012:1130-01
Summary:The remote host is missing an update for the 'xen'; package(s) announced via the referenced advisory.
The remote host is missing an update for the 'xen'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The xen packages contain administration tools and the xend service for
managing the kernel-xen kernel for virtualization on Red Hat Enterprise

A flaw was found in the way the pyGrub boot loader handled compressed
kernel images. A privileged guest user in a para-virtualized guest (a DomU)
could use this flaw to create a crafted kernel image that, when attempting
to boot it, could result in an out-of-memory condition in the privileged
domain (the Dom0). (CVE-2012-2625)

Red Hat would like to thank Xinli Niu for reporting this issue.

All users of xen are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
updated packages, the xend service must be restarted for this update to
take effect.

Affected Software/OS:
xen on Red Hat Enterprise Linux (v. 5 server)

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-2625
BugTraq ID: 53650
RedHat Security Advisories: RHSA-2012:1130
SuSE Security Announcement: SUSE-SU-2012:1043 (Google Search)
SuSE Security Announcement: SUSE-SU-2012:1044 (Google Search)
SuSE Security Announcement: SUSE-SU-2012:1135 (Google Search)
SuSE Security Announcement: openSUSE-SU-2012:1172 (Google Search)
SuSE Security Announcement: openSUSE-SU-2012:1174 (Google Search)
SuSE Security Announcement: openSUSE-SU-2012:1572 (Google Search)
SuSE Security Announcement: openSUSE-SU-2012:1573 (Google Search)
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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