RHSA-2010:0020: Important: kernel security update

First published: Thu Jan 07 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 each of the following Intel PRO/1000 Linux drivers in</li> the Linux kernel: e1000 and e1000e. A remote attacker using packets larger<br>than the MTU could bypass the existing fragment check, resulting in<br>partial, invalid frames being passed to the network stack. These flaws<br>could also possibly be used to trigger a remote denial of service.<br>(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 network cards supported by this<br>driver could possibly result in a remote denial of service. (CVE-2009-4537,<br>Important)<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.

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