Moderate CentOS xen Update
|xen-3.0.3-135.el5_8.4.i386.rpm, xen-3.0.3-135.el5_8.4.src.rpm, xen-3.0.3-135.el5_8.4.x86_64.rpm, xen-devel-3.0.3-135.el5_8.4.i386.rpm, xen-devel-3.0.3-135.el5_8.4.x86_64.rpm, xen-libs-3.0.3-135.el5_8.4.i386.rpm, xen-libs-3.0.3-135.el5_8.4.x86_64.rpm|
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
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
Please see https://www.redhat.com/footer/terms-of-use.html
Am I vulnerable?
The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.
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Affected package information