VulnerabilityModified
CVE-2019-19037
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.
MEDIUM 5.5EPSS 1.89%
Does this matter?
Lower severity and a low EPSS score (1.89%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.89% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://security.netapp.com/advisory/ntap-20191205-0001/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.