CVE-2019-19037

MEDIUMNVD 5.55.5—

5.5

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 v3: 5.5
EG Score: 5.5(medium)
EPSS: 78.1%
KEV: Not listed

Published

November 21, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
cve@mitrehttps://security.netapp.com/advisory/ntap-20191205-0001/
af854a3a-2127-422b-91ae-364da2661108https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20191205-0001/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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2026-05-27 11:26 UTCEG score recompute
2026-05-27 11:26 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2019-19037?

CVE-2019-19037 is a medium vulnerability published on November 21, 2019. ext4emptydir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4readdirblock(inode,0,DIRENT_HTREE) can be zero.

When was CVE-2019-19037 disclosed?

CVE-2019-19037 was first published in the National Vulnerability Database on November 21, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-19037 actively exploited?

CVE-2019-19037 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-19037?

CVE-2019-19037 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2019-19037?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19037, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-19037

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19037?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)