Oracle Linux 5 : xen (ELSA-2013-0241)

This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.

Synopsis :

The remote Oracle Linux host is missing one or more security updates.

Description :

From Red Hat Security Advisory 2013:0241 :

Updated xen packages that fix one security issue are now available for
Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

The xen packages contain administration tools and the xend service for
managing the kernel-xen kernel for virtualization on Red Hat
Enterprise Linux.

A flaw was found in the way libxc, the Xen control library, handled
excessively large kernel and ramdisk images when starting new guests.
A privileged guest user in a para-virtualized guest (a DomU) could
create a crafted kernel or ramdisk image that, when attempting to use
it during guest start, could result in an out-of-memory condition in
the privileged domain (the Dom0). (CVE-2012-4544)

Red Hat would like to thank the Xen project for reporting this issue.

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

See also :

Solution :

Update the affected xen packages.

Risk factor :

Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.8
Public Exploit Available : false

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 68725 ()

Bugtraq ID: 56289

CVE ID: CVE-2012-4544

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