CVE-2011-2695
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
Date published : 2011-07-28
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5