CVE-2019-19037: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 1.9% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: up to and including 5.3.12

Published 2019-11-21. Last modified 2026-06-17.