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The remote Red Hat host is missing one or more security updates.
Updated kernel packages that fix two security issues, address several
hundred bugs and add numerous enhancements are now available as part
of the ongoing support and maintenance of Red Hat Enterprise Linux
version 6. This is the third regular update.
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
The kernel packages contain the Linux kernel, the core of any Linux
This update fixes the following security issues :
* A flaw was found in the way the Linux kernel's Event Poll (epoll)
subsystem handled large, nested epoll structures. A local,
unprivileged user could use this flaw to cause a denial of service.
* A malicious Network File System version 4 (NFSv4) server could
return a crafted reply to a GETACL request, causing a denial of
service on the client. (CVE-2011-4131, Moderate)
Red Hat would like to thank Nelson Elhage for reporting CVE-2011-1083,
and Andy Adamson for reporting CVE-2011-4131.
This update also fixes several hundred bugs and adds enhancements.
Refer to the Red Hat Enterprise Linux 6.3 Release Notes for
information on the most significant of these changes, and the
Technical Notes for further information, both linked to in the
All Red Hat Enterprise Linux 6 users are advised to install these
updated packages, which correct these issues, and fix the bugs and add
the enhancements noted in the Red Hat Enterprise Linux 6.3 Release
Notes and Technical Notes. The system must be rebooted for this update
to take effect.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.9
CVSS Temporal Score : 4.3
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 59590 ()
Bugtraq ID: 4663050655
CVE ID: CVE-2011-1083CVE-2011-4131
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