CVE-2021-47409

MEDIUMNVD 5.55.5—

5.5

In the Linux kernel, the following vulnerability has been resolved:

usb: dwc2: check return value after calling platform_get_resource()

It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 1.8%
KEV: Not listed

Published

May 21, 2024

Last Modified

December 30, 2024

References (12)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2754fa3b73df7d0ae042f3ed6cfd9df9042f6262
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/337f00a0bc62d7cb7d10ec0b872c79009a1641df
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b7f4a0eb92bf37bea4cd838c7f83ea42823ca8b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/856e6e8e0f9300befa87dde09edb578555c99a82
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8b9c1c33e51d0959f2aec573dfbac0ffd3f5c0b7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a7182993dd8e09f96839ddc3ac54f9b37370d282
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2754fa3b73df7d0ae042f3ed6cfd9df9042f6262
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/337f00a0bc62d7cb7d10ec0b872c79009a1641df
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4b7f4a0eb92bf37bea4cd838c7f83ea42823ca8b
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/856e6e8e0f9300befa87dde09edb578555c99a82
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8b9c1c33e51d0959f2aec573dfbac0ffd3f5c0b7
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a7182993dd8e09f96839ddc3ac54f9b37370d282

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-05 06:09 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-47409?

CVE-2021-47409 is a medium vulnerability published on May 21, 2024. In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: check return value after calling platformgetresource() It will cause null-ptr-deref if platformgetresource() returns NULL, we need check the return value.

When was CVE-2021-47409 disclosed?

CVE-2021-47409 was first published in the National Vulnerability Database on May 21, 2024, with the most recent update on December 30, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-47409 actively exploited?

CVE-2021-47409 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-47409?

CVE-2021-47409 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-47409?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47409, 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-2021-47409

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-47409?

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Published

Last Modified

References (12)

Frequently asked(5)

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