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The remote Oracle Linux host is missing a security update.
From Red Hat Security Advisory 2013:0807 :
An updated hypervkvpd package that fixes one security issue and one
bug is now available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having low
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 hypervkvpd package contains hypervkvpd, the guest Microsoft
Hyper-V Key-Value Pair (KVP) daemon. The daemon passes basic
information to the host through VMBus, such as the guest IP address,
fully qualified domain name, operating system name, and operating
system release number.
A denial of service flaw was found in the way hypervkvpd processed
certain Netlink messages. A local, unprivileged user in a guest
(running on Microsoft Hyper-V) could send a Netlink message that, when
processed, would cause the guest's hypervkvpd daemon to exit.
The CVE-2012-5532 issue was discovered by Florian Weimer of the Red
Hat Product Security Team.
This update also fixes the following bug :
* The hypervkvpd daemon did not close the file descriptors for pool
files when they were updated. This could eventually lead to hypervkvpd
crashing with a 'KVP: Failed to open file, pool: 1' error after
consuming all available file descriptors. With this update, the file
descriptors are closed, correcting this issue. (BZ#953502)
Users of hypervkvpd are advised to upgrade to this updated package,
which contains backported patches to correct these issues. After
installing the update, it is recommended to reboot all guest machines.
See also :
Update the affected hypervkvpd package.
Risk factor :
Medium / CVSS Base Score : 4.9
CVSS Temporal Score : 3.6
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68818 ()
Bugtraq ID: 56710
CVE ID: CVE-2012-5532
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