cve/2019/CVE-2019-19816.md

CVE-2019-19816

Description

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.

POC

Reference

• https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816
• https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816
• https://usn.ubuntu.com/4414-1/
• https://usn.ubuntu.com/4414-1/

Github

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