Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9438fabb73eb48055b58b89fc51e0bc4db22fabd
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
www.openwall.com/lists/oss-security/2011/08/24/2
bugzilla.redhat.com/show_bug.cgi?id=732869
github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd