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CVE-2009-4131

Description

The EXT4_IOC_MOVE_EXT (aka move extents) ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions.

POC

Reference

- http://www.theregister.co.uk/2009/12/11/linux_kernel_bugs_patched/

Github

No PoCs found on GitHub currently.