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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0053
The remote host is missing updates announced in
advisory RHSA-2010:0053.

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 IPv6 Extension Header (EH) handling
implementation in the Linux kernel. The skb->dst data structure was not
properly validated in the ipv6_hop_jumbo() function. This could possibly
lead to a remote denial of service. (CVE-2007-4567, Important)

* a flaw was found in each of the following Intel PRO/1000 Linux
drivers in the Linux kernel: e1000 and e1000e. A remote attacker using
packets larger than the MTU could bypass the existing fragment check,
resulting in partial, invalid frames being passed to the network stack.
These flaws could also possibly be used to trigger a remote denial of
service. (CVE-2009-4536, CVE-2009-4538, Important)

* a flaw was found in the Realtek r8169 Ethernet driver in the Linux
kernel. Receiving overly-long frames with a certain revision of the network
cards supported by this driver could possibly result in a remote denial of
service. (CVE-2009-4537, Important)

This update also fixes the following bugs:

* on certain hardware, the igb driver was unable to detect link statuses
correctly for Serializer-Deserializer (SERDES) interface Ethernet ports.
This may have caused problems for network interface bonding, such as
failover not occurring. (BZ#548023)

* in certain situations, kdump occasionally dumped a vmcore file with no
registers on Intel Itanium systems that were under high disk I/O load. In
these cases, this prevented the kernel stack backtrace in the vmcore from
being viewed with the crash utility. (BZ#542581)

Users should upgrade to these updated packages, which contain backported
patches to correct these issues. The system must be rebooted for this
update to take effect.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Critical

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2007-4567
BugTraq ID: 26943
RedHat Security Advisories: RHSA-2010:0095
XForce ISS Database: linux-kernel-ipv6-dos(39171)
Common Vulnerability Exposure (CVE) ID: CVE-2009-4536
BugTraq ID: 37519
Debian Security Information: DSA-1996 (Google Search)
Debian Security Information: DSA-2005 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:005 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:007 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:010 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:012 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:013 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:014 (Google Search)
XForce ISS Database: kernel-e1000main-security-bypass(55648)
Common Vulnerability Exposure (CVE) ID: CVE-2009-4537
BugTraq ID: 37521
Debian Security Information: DSA-2053 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:023 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:031 (Google Search)
XForce ISS Database: kernel-r8169-dos(55647)
Common Vulnerability Exposure (CVE) ID: CVE-2009-4538
BugTraq ID: 37523
XForce ISS Database: kernel-edriver-unspecified(55645)
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