CVE-2019-19767

MEDIUMNVD 5.55.5—

5.5

The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 59.9%
KEV: Not listed

Published

December 12, 2019

Last Modified

November 21, 2024

References (26)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
cve@mitrehttps://bugzilla.kernel.org/show_bug.cgi?id=205609
cve@mitrehttps://bugzilla.kernel.org/show_bug.cgi?id=205707
cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
cve@mitrehttps://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
cve@mitrehttps://security.netapp.com/advisory/ntap-20200103-0001/
cve@mitrehttps://usn.ubuntu.com/4258-1/
cve@mitrehttps://usn.ubuntu.com/4284-1/
cve@mitrehttps://usn.ubuntu.com/4287-1/
cve@mitrehttps://usn.ubuntu.com/4287-2/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=205609

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-virtual-hwe-18.04-edge (5.3.0.40.97) @ bionic	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-16.04-edge (4.15.0.88.98) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-azure (4.15.0.1069.55) @ trusty	2026-05-27	ubuntu
ubuntu	linux-image-oracle-edge (5.0.0.1010.9) @ bionic	2026-05-27	ubuntu
redhat	kernel-rt-0:4.18.0-240.rt7.54.el8	2020-11-04	redhat
redhat	kernel-0:4.18.0-240.el8	2020-11-04	redhat
redhat	kernel-0:3.10.0-1160.el7	2020-09-29	redhat
redhat	kernel-rt-0:3.10.0-1160.rt56.1131.el7	2020-09-29	redhat
redhat	kernel-alt-0:4.14.0-115.26.1.el7a	2020-07-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-416Use After Free

All Vendor Advisories

(9)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2019-19767?

CVE-2019-19767 is a medium vulnerability published on December 12, 2019. The Linux kernel before 5.4.2 mishandles ext4expandextraisize, as demonstrated by use-after-free errors in ext4expandextraisize and ext4xattrset_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

When was CVE-2019-19767 disclosed?

CVE-2019-19767 was first published in the National Vulnerability Database on December 12, 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-2019-19767 actively exploited?

CVE-2019-19767 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-19767?

CVE-2019-19767 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2019-19767?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19767, 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.

Dependency Blast Radius

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CVE-2019-19767

Published

Last Modified

References (26)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19767?

Same vendor

Same CWE

CVE-2019-19767

📅 Published

🔄 Last Modified

🔗 References (26)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19767?

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References (26)

Frequently asked(5)

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