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CVE-2017-14340

Description

The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.

POC

Reference

No PoCs from references.

Github

- https://github.com/ARPSyndicate/cvemon