CVE-2021-47484

MEDIUMNVD 5.55.5—

5.5

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

octeontx2-af: Fix possible null pointer dereference.

This patch fixes possible null pointer dereference in files "rvu_debugfs.c" and "rvu_nix.c"

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 9.3%
KEV: Not listed

Published

May 22, 2024

Last Modified

April 1, 2025

References (4)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2d4c543f74c90f883e8ec62a31973ae8807d354
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1e3cd1cc80204fd02b9e9843450925a2af90dc0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c2d4c543f74c90f883e8ec62a31973ae8807d354
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f1e3cd1cc80204fd02b9e9843450925a2af90dc0

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 9× 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
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 01:14 UTCEG score recompute
2026-05-24 01:14 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-47484?

CVE-2021-47484 is a medium vulnerability published on May 22, 2024. In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix possible null pointer dereference. This patch fixes possible null pointer dereference in files "rvudebugfs.c" and "rvunix.c"

When was CVE-2021-47484 disclosed?

CVE-2021-47484 was first published in the National Vulnerability Database on May 22, 2024, with the most recent update on April 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-47484 actively exploited?

CVE-2021-47484 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-47484?

CVE-2021-47484 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-47484?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47484, 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-2021-47484

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-47484?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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