Unmarked Dirty Extent Vulnerability in Linux Kernel

CVE-2011-3638 · MEDIUM Severity

AV:L/AC:H/AU:N/C:N/I:N/A:C

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.

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