CVE-2021-47204

HIGHNVD 7.87.8—

7.8

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

net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

Access to netdev after free_netdev() will cause use-after-free bug. Move debug log before free_netdev() call to avoid it.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 13.3%
KEV: Not listed

Published

April 10, 2024

Last Modified

January 14, 2025

References (8)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1c4099dc0d6a01e76e4f7dd98e4b3e0d55d80ad9
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/32d4686224744819ddcae58b666c21d2a4ef4c88
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9b5a333272a48c2f8b30add7a874e46e8b26129c
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d74ff10ed2d93dc9b67e99a74b36fb9a83273d8a

Weakness Classification(1)

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

CWE-416Use After Free

Data Freshness Timeline

(refreshed 12× in last 7d / 48× 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.

2026-06-21 01:58 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
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2026-06-18 17:51 UTCEPSS rescore
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2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:46 UTCEPSS rescore
2026-06-14 23:15 UTCEPSS rescore
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2026-06-13 22:58 UTCEPSS rescore
2026-06-13 22:58 UTCEPSS rescore
2026-06-12 23:10 UTCEPSS rescore
2026-06-11 13:58 UTCEPSS rescore
2026-06-10 22:16 UTCEPSS rescore
2026-06-10 13:20 UTCEPSS rescore
2026-06-08 21:42 UTCOSV refresh
2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore

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2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-04 13:11 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 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-24 04:43 UTCEG score recompute
2026-05-24 04:43 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-47204?

CVE-2021-47204 is a high vulnerability published on April 10, 2024. In the Linux kernel, the following vulnerability has been resolved: net: dpaa2-eth: fix use-after-free in dpaa2ethremove Access to netdev after free_netdev() will cause use-after-free bug. Move debug log before free_netdev() call to avoid it.

When was CVE-2021-47204 disclosed?

CVE-2021-47204 was first published in the National Vulnerability Database on April 10, 2024, with the most recent update on January 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-47204 actively exploited?

CVE-2021-47204 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-47204?

CVE-2021-47204 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-47204?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47204, 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

Explore the affected products and dependency analysis for CVE-2021-47204

Explore →

Is Your Infrastructure Affected by CVE-2021-47204?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

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Frequently asked(5)

What is CVE-2021-47204?

When was CVE-2021-47204 disclosed?

Is CVE-2021-47204 actively exploited?

What is the CVSS score of CVE-2021-47204?

CVE-2021-47204 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-47204?

CVE-2021-47204

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-47204?

CVE-2021-47204

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-47204?

🔗 Related CVEs(same CWE)

Same CWE

Published

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References (8)

Frequently asked(5)

Published

Last Modified

References (8)

Frequently asked(5)

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