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Test Kennung:1.3.6.1.4.1.25623.1.0.870402
Kategorie:Red Hat Local Security Checks
Titel:RedHat Update for kernel RHSA-2011:0303-01
Zusammenfassung:The remote host is missing an update for the 'kernel'; package(s) announced via the referenced advisory.
Beschreibung:Summary:
The remote host is missing an update for the 'kernel'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issues:

* A flaw was found in the Linux kernel's garbage collector for AF_UNIX
sockets. A local, unprivileged user could use this flaw to trigger a
denial of service (out-of-memory condition). (CVE-2010-4249, Moderate)

* A flaw was found in the Linux kernel's networking subsystem. If the
number of packets received exceeded the receiver's buffer limit, they were
queued in a backlog, consuming memory, instead of being discarded. A remote
attacker could abuse this flaw to cause a denial of service (out-of-memory
condition). (CVE-2010-4251, Moderate)

* A missing initialization flaw was found in the ethtool_get_regs()
function in the Linux kernel's ethtool IOCTL handler. A local user who has
the CAP_NET_ADMIN capability could use this flaw to cause an information
leak. (CVE-2010-4655, Low)

Red Hat would like to thank Vegard Nossum for reporting CVE-2010-4249, and
Kees Cook for reporting CVE-2010-4655.

This update also fixes several bugs. Documentation for these bug fixes will
be available shortly from the Technical Notes document linked to in the
References section.

Users should upgrade to these updated packages, which contain backported
patches to correct these issues, and fix the bugs noted in the Technical
Notes. The system must be rebooted for this update to take effect.

Affected Software/OS:
kernel on Red Hat Enterprise Linux (v. 5 server)

Solution:
Please Install the Updated Packages.

CVSS Score:
6.1

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

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2010-4249
BugTraq ID: 45037
http://www.securityfocus.com/bid/45037
Bugtraq: 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console (Google Search)
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.exploit-db.com/exploits/15622/
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
http://lkml.org/lkml/2010/11/23/395
http://lkml.org/lkml/2010/11/23/450
http://lkml.org/lkml/2010/11/25/8
http://marc.info/?l=linux-netdev&m=129059035929046&w=2
http://www.openwall.com/lists/oss-security/2010/11/24/2
http://www.openwall.com/lists/oss-security/2010/11/24/10
http://www.redhat.com/support/errata/RHSA-2011-0007.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://secunia.com/advisories/42354
http://secunia.com/advisories/42745
http://secunia.com/advisories/42890
http://secunia.com/advisories/42963
http://secunia.com/advisories/46397
http://www.vupen.com/english/advisories/2010/3321
http://www.vupen.com/english/advisories/2011/0168
Common Vulnerability Exposure (CVE) ID: CVE-2010-4251
BugTraq ID: 46637
http://www.securityfocus.com/bid/46637
http://kerneltrap.org/mailarchive/linux-netdev/2010/3/3/6271093/thread
Common Vulnerability Exposure (CVE) ID: CVE-2010-4655
BugTraq ID: 45972
http://www.securityfocus.com/bid/45972
https://lkml.org/lkml/2010/10/7/297
http://openwall.com/lists/oss-security/2011/01/24/9
http://openwall.com/lists/oss-security/2011/01/25/3
http://openwall.com/lists/oss-security/2011/01/25/4
http://openwall.com/lists/oss-security/2011/01/25/5
http://openwall.com/lists/oss-security/2011/01/28/1
http://www.ubuntu.com/usn/USN-1146-1
CopyrightCopyright (c) 2011 Greenbone Networks GmbH

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