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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2012:0370 :
Updated xen packages that fix one security issue and two bugs are now
available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important 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
A heap overflow flaw was found in the way QEMU emulated the e1000
network interface card. A privileged guest user in a virtual machine
whose network interface is configured to use the e1000 emulated driver
could use this flaw to crash QEMU or, possibly, escalate their
privileges on the host. (CVE-2012-0029)
Red Hat would like to thank Nicolae Mogoreanu for reporting this
This update also fixes the following bugs :
* Adding support for jumbo frames introduced incorrect network device
expansion when a bridge is created. The expansion worked correctly
with the default configuration, but could have caused network setup
failures when a user-defined network script was used. This update
changes the expansion so network setup will not fail, even when a
user-defined network script is used. (BZ#797191)
* A bug was found in xenconsoled, the Xen hypervisor console daemon.
If timestamp logging for this daemon was enabled (using both the
XENCONSOLED_TIMESTAMP_GUEST_LOG options in '/etc/sysconfig/xend'),
xenconsoled could crash if the guest emitted a lot of information to
its serial console in a short period of time. Eventually, the guest
would freeze after the console buffer was filled due to the crashed
xenconsoled. Timestamp logging is disabled by default. (BZ#797836)
All xen users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. The system must be
rebooted for this update to take effect.
See also :
Update the affected xen packages.
Risk factor :
High / CVSS Base Score : 7.4
CVSS Temporal Score : 5.5
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68493 ()
Bugtraq ID: 51642
CVE ID: CVE-2012-0029
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