CVE-2011-2480

Information Disclosure vulnerability in the 802.11 stack, as used in
FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures. A
signedness error in the IEEE80211_IOC_CHANINFO ioctl allows a local
unprivileged user to cause the kernel to copy large amounts of kernel
memory back to the user, disclosing potentially sensitive information.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160&gt;
• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161&gt;