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CVE-2017-18257

Description

The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.

POC

Reference

- https://usn.ubuntu.com/3696-1/

Github

No PoCs found on GitHub currently.