The iowarrior_write function in drivers/usb/misc/iowarrior.c in the Linux kernel before 2.6.37 does not properly allocate memory, which might allow local users to trigger a heap-based buffer overflow, and consequently cause a denial of service or gain privileges, via a long report.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3ed780117dbe5acb64280d218f0347f238dafed0
openwall.com/lists/oss-security/2011/01/24/9
openwall.com/lists/oss-security/2011/01/25/3
openwall.com/lists/oss-security/2011/01/25/4
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37
www.securityfocus.com/bid/46069
www.ubuntu.com/usn/USN-1146-1
bugzilla.redhat.com/show_bug.cgi?id=672420