The chip_command function in drivers/media/video/tvaudio.c in the Linux kernel 2.6.25.x before 2.6.25.19, 2.6.26.x before 2.6.26.7, and 2.6.27.x before 2.6.27.3 allows attackers to cause a denial of service (NULL function pointer dereference and OOPS) via unknown vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/46544
http://www.ubuntu.com/usn/usn-679-1
http://www.securityfocus.com/bid/32094
http://www.mandriva.com/security/advisories?name=MDVSA-2008:246
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.3
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.7
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.19