kernel: ext4: ext4_ext_insert_extent() kernel oops

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service system crash via vectors involving ext4 umount and mount operations...

UBUNTU-CVE-2011-3638

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service system crash via vectors involving ext4 umount and mount operations...