Intel Wireless WiFi Link iwlwifi NULL Pointer Dereference Vulnerability

Bugtraq ID:	26842
Class:	Design Error
CVE:	CVE-2007-5938
Remote:	Yes
Local:	No
Published:	Dec 12 2007 12:00AM
Updated:	Mar 05 2008 05:42PM
Credit:	Ian Schram discovered this issue.
Vulnerable:	Redhat Enterprise Linux Desktop 5 client Redhat Enterprise Linux 5 Server Intel iwlwifi 1.2.21 Intel iwlwifi 1.2.20 Gentoo net-wireless/iwlwifi 1.1.21-r1
Not Vulnerable:	Intel iwlwifi 1.2.22

Intel Wireless WiFi Link iwlwifi NULL Pointer Dereference Vulnerability

The 'iwlwifi' drive is prone to a NULL-pointer dereference vulnerability because of a flaw in the 'compatible/iwl3945-base.c' file.

Attackers can exploit this issue to trigger a kernel panic and cause denial-of-service conditions.

Versions prior to iwlwifi 1.1.22 are vulnerable.

Intel Wireless WiFi Link iwlwifi NULL Pointer Dereference Vulnerability

Currently we are not aware of any working exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Intel Wireless WiFi Link iwlwifi NULL Pointer Dereference Vulnerability

References:

• Intel Wireless WiFi Link drivers for Linux Homepage (Intel)
  
• net-wireless/iwlwifi < 1.1.21-r1 NULL dereference vulnerability (Gentoo)
  
• Questions raised when reading the (3945) code. (an Schram telenet.be>)
  
• RHSA-2008:0154-15 kernel security and bug fix update (Red Hat)