Description
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.
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037
Vendor Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191205-0001/
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Scores
CVSS v3
5.5
EPSS
0.0189
EPSS Percentile
76.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
linux/linux_kernel
< 5.3.12
Published
Nov 21, 2019
Tracked Since
Feb 18, 2026