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Test ID:1.3.6.1.4.1.25623.1.0.871046
Category:Red Hat Local Security Checks
Title:RedHat Update for rtkit RHSA-2013:1282-01
Summary:The remote host is missing an update for the 'rtkit'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'rtkit'
package(s) announced via the referenced advisory.

Vulnerability Insight:
RealtimeKit is a D-Bus system service that changes the scheduling policy of
user processes/threads to SCHED_RR (that is, realtime scheduling mode) on
request. It is intended to be used as a secure mechanism to allow real-time
scheduling to be used by normal user processes.

It was found that RealtimeKit communicated with PolicyKit for authorization
using a D-Bus API that is vulnerable to a race condition. This could have
led to intended PolicyKit authorizations being bypassed. This update
modifies RealtimeKit to communicate with PolicyKit via a different API that
is not vulnerable to the race condition. (CVE-2013-4326)

All rtkit users are advised to upgrade to this updated package, which
contains a backported patch to correct this issue.

Affected Software/OS:
rtkit on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
4.6

CVSS Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-4326
https://bugzilla.redhat.com/show_bug.cgi?id=1006677
http://www.openwall.com/lists/oss-security/2013/09/18/6
RedHat Security Advisories: RHSA-2013:1282
http://rhn.redhat.com/errata/RHSA-2013-1282.html
SuSE Security Announcement: openSUSE-SU-2013:1548 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-10/msg00022.html
SuSE Security Announcement: openSUSE-SU-2013:1597 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-10/msg00051.html
CopyrightCopyright (c) 2013 Greenbone Networks GmbH

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