Referenced CVEs:
CVE-2008-3528, CVE-2008-4395


Description:
=========================================================== Ubuntu Security Notice USN-662-1 November 05, 2008 linux vulnerability CVE-2008-3528, CVE-2008-4395 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.10: linux-image-2.6.27-7-generic 2.6.27-7.16 linux-image-2.6.27-7-server 2.6.27-7.16 linux-image-2.6.27-7-virtual 2.6.27-7.16 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: It was discovered that the Linux kernel could be made to hang temporarily when mounting corrupted ext2/3 filesystems. If a user were tricked into mounting a specially crafted filesystem, a remote attacker could cause system hangs, leading to a denial of service. (CVE-2008-3528) Anders Kaseorg discovered that ndiswrapper did not correctly handle long ESSIDs. For a system using ndiswrapper, a physically near-by attacker could generate specially crafted wireless network traffic and execute arbitrary code with root privileges. (CVE-2008-4395)





More...