RHSA-2010:0053: Important: kernel security and bug fix update

First published: Tue Jan 19 2010(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux<br>operating system.<br>This update fixes the following security issues:<br><li> a flaw was found in the IPv6 Extension Header (EH) handling</li> implementation in the Linux kernel. The skb-&gt;dst data structure was not<br>properly validated in the ipv6_hop_jumbo() function. This could possibly<br>lead to a remote denial of service. (CVE-2007-4567, Important)<br><li> a flaw was found in each of the following Intel PRO/1000 Linux</li> drivers in the Linux kernel: e1000 and e1000e. A remote attacker using<br>packets larger than the MTU could bypass the existing fragment check,<br>resulting in partial, invalid frames being passed to the network stack.<br>These flaws could also possibly be used to trigger a remote denial of<br>service. (CVE-2009-4536, CVE-2009-4538, Important)<br><li> a flaw was found in the Realtek r8169 Ethernet driver in the Linux</li> kernel. Receiving overly-long frames with a certain revision of the network<br>cards supported by this driver could possibly result in a remote denial of<br>service. (CVE-2009-4537, Important)<br>This update also fixes the following bugs:<br><li> on certain hardware, the igb driver was unable to detect link statuses</li> correctly for Serializer-Deserializer (SERDES) interface Ethernet ports.<br>This may have caused problems for network interface bonding, such as<br>failover not occurring. (BZ#548023)<br><li> in certain situations, kdump occasionally dumped a vmcore file with no</li> registers on Intel Itanium systems that were under high disk I/O load. In<br>these cases, this prevented the kernel stack backtrace in the vmcore from<br>being viewed with the crash utility. (BZ#542581)<br>Users should upgrade to these updated packages, which contain backported<br>patches to correct these issues. The system must be rebooted for this<br>update to take effect.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• collector/redhat-errata
• source/Red Hat
• anchor-id/RHSA-2010:0053
• agent/description
• agent/event
• agent/first-publish-date
• agent/last-modified-date
• agent/references
• agent/remedy
• agent/severity
• agent/softwarecombine
• agent/tags
• agent/title
• agent/type