What’s Vulnerable › Vulnerabilities

CVE-2019-19037

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-21 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: through 5.3.12

References

• https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037
• 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-2019-19037
• https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
• https://security.netapp.com/advisory/ntap-20191205-0001/

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