CVE-2019-19056

MEDIUMNVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.7 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 69% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.7Exploit: None knownExposed: 0

A fix is available — apply it.

A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mwifiex_map_pci_memory() failures, aka CID-db8fd2cde932.

CVSS v3
4.7
EG Score
4.7(medium)
EG Risk
26(Track)
EG Risk 26/100SSVC: 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
Severity47% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

November 18, 2019

Last Modified

November 21, 2024

References (24)

Vendor Advisories for CVE-2019-19056(2)

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

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-4.4.0-174-generic-lpae (4.4.0-174.204~14.04.1) @ trusty2026-05-27ubuntu
ubuntulinux-image-virtual-lts-xenial (4.4.0.174.182) @ xenial2026-05-27ubuntu
ubuntulinux-image-virtual (5.3.0.42.36) @ eoan2026-05-27ubuntu
ubuntulinux-image-oracle (5.0.0.1013.13) @ bionic2026-05-27ubuntu
ubuntulinux-image-virtual-hwe-16.04-edge (4.15.0.91.101) @ xenial2026-05-27ubuntu
redhatkernel-rt-0:4.18.0-240.rt7.54.el82020-11-04redhat
redhatkernel-0:4.18.0-240.el82020-11-04redhat

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 ... 3.16.76-1 (69 versions)3.16.81-1—
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—5.4.13-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.13-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.13-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.4.13-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× in last 7d / 25× 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 142 total refreshes for this CVE.

  1. 2026-09-18 19:22 UTCEPSS rescore
  2. 2026-09-17 19:22 UTCEPSS rescore
  3. 2026-09-16 14:04 UTCEPSS rescore
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  9. 2026-09-07 23:51 UTCOSV refresh
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  24. 2026-08-21 09:44 UTCOSV refresh
  25. 2026-08-20 22:51 UTCEPSS rescore
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  1. 2026-08-19 17:00 UTCEPSS rescore
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  12. 2026-08-05 22:51 UTCOSV refresh
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  24. 2026-07-23 01:42 UTCEG score recompute
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  26. 2026-07-22 14:05 UTCEPSS rescore
  27. 2026-07-21 15:22 UTCEPSS rescore
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  31. 2026-07-20 01:46 UTCOSV refresh
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Frequently asked(5)

What is CVE-2019-19056?
CVE-2019-19056 is a medium vulnerability published on November 18, 2019. A memory leak in the mwifiexpciealloccmdrspbuf() function in drivers/net/wireless/marvell/mwifiex/pcie.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mwifiexmappci_memory() failures, aka CID-db8fd2cde932.
When was CVE-2019-19056 disclosed?
CVE-2019-19056 was first published in the National Vulnerability Database on November 18, 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-2019-19056 actively exploited?
CVE-2019-19056 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.4% of all scored CVEs.
What is the CVSS score of CVE-2019-19056?
CVE-2019-19056 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2019-19056?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-19056, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-19056

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