cve/2018/CVE-2018-14613.md

CVE-2018-14613

Description

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.

POC

Reference

• https://bugzilla.kernel.org/show_bug.cgi?id=199849
• https://usn.ubuntu.com/3932-1/
• https://usn.ubuntu.com/4118-1/
• https://www.oracle.com/security-alerts/cpuApr2021.html

Github

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