CVE-2019-19447

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

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)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
88%
KEV
Not listed

Published

December 8, 2019

Last Modified

November 21, 2024

References (12)

Vendor Advisories for CVE-2019-19447(8)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:3.10.0-957.65.1.el72020-12-22redhat
redhatkernel-0:3.10.0-693.81.1.el72020-12-15redhat
redhatkernel-0:3.10.0-1062.40.1.el72020-11-24redhat
redhatkernel-rt-0:4.18.0-240.rt7.54.el82020-11-04redhat
redhatkernel-0:4.18.0-240.el82020-11-04redhat
redhatkernel-0:3.10.0-1160.el72020-09-29redhat
redhatkernel-rt-0:3.10.0-1160.rt56.1131.el72020-09-29redhat
redhatkernel-alt-0:4.14.0-115.21.2.el7a2020-05-12redhat

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.

Affected Packages

(6 across 5 ecosystems)
Debian:8(2)
PackageVulnerable rangeFixed inDependents
linux3.16.36-1 ... 3.16.81-1 (70 versions)3.16.84-1—
linux-4.94.9.110-1~deb8u1, 4.9.144-3.1~deb8u1, 4.9.168-1~deb8u1, 4.9.189-3~deb8u14.9.210-1~deb8u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.6-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.6-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.6-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.6-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 26× 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.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-08-21 09:14 UTCOSV refresh
  2. 2026-08-20 22:51 UTCEPSS rescore
  3. 2026-08-19 17:00 UTCEPSS rescore
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  1. 2026-07-23 01:43 UTCEG score recompute
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  8. 2026-07-20 00:48 UTCOSV refresh
  9. 2026-07-19 14:28 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

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 4% probability of exploitation in the next 30 days, which ranks it in the top 11.6% of all scored CVEs.
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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