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CVE-2017-18224

Description

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

POC

Reference

No PoCs from references.

Github

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