NULL Pointer Dereference in ext4_empty_dir in Linux Kernel

CVE-2019-19037 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.

Learn more about our Cis Benchmark Audit For Distribution Independent Linux.