USN-662-1: Linux kernel vulnerabilities

5 November 2008

linux vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 8.10

Software Description

  • linux

Details

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)

Update instructions

The problem can be corrected by updating 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

References