CVE-2019-19447

HIGHNVD 7.87.8—

7.8

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 82.6%
KEV: Not listed

Published

December 8, 2019

Last Modified

November 21, 2024

References (12)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
cve@mitrehttps://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
cve@mitrehttps://security.netapp.com/advisory/ntap-20200103-0001/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200103-0001/

Patch Availability(8)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	kernel-0:3.10.0-957.65.1.el7	2020-12-22	redhat
redhat	kernel-0:3.10.0-693.81.1.el7	2020-12-15	redhat
redhat	kernel-0:3.10.0-1062.40.1.el7	2020-11-24	redhat
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-0:4.14.0-115.21.2.el7a	2020-05-12	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

(8)

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-2019-19447?

CVE-2019-19447 is a high vulnerability published on December 8, 2019. In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4putsuper in fs/ext4/super.c, related to dumporphanlist in fs/ext4/super.c.

When was CVE-2019-19447 disclosed?

CVE-2019-19447 was first published in the National Vulnerability Database on December 8, 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-2019-19447 actively exploited?

CVE-2019-19447 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-19447?

CVE-2019-19447 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2019-19447?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19447, 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-2019-19447

Published

Last Modified

References (12)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19447?

Same vendor

Same CWE

CVE-2019-19447

📅 Published

🔄 Last Modified

🔗 References (12)

Patch Availability(8)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-19447?

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References (12)

Frequently asked(5)

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