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CVE-2018-13098

Description

An issue was discovered in fs/f2fs/inode.c in the Linux kernel through 4.17.3. A denial of service (slab out-of-bounds read and BUG) can occur for a modified f2fs filesystem image in which FI_EXTRA_ATTR is set in an inode.

POC

Reference

- https://bugzilla.kernel.org/show_bug.cgi?id=200173

- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76d56d4ab4f2a9e4f085c7d77172194ddaccf7d2

- https://usn.ubuntu.com/4118-1/

Github

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