CVE-2021-47415

MEDIUMNVD 5.55.5—

5.5

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

iwlwifi: mvm: Fix possible NULL dereference

In __iwl_mvm_remove_time_event() check that 'te_data->vif' is NULL before dereferencing it.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 7.9%
KEV: Not listed

Published

May 21, 2024

Last Modified

December 31, 2024

References (4)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/24d5f16e407b75bc59d5419b957a9cab423b2681
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/432d8185e9ffce97e3866ca71c39b0807a456920

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
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
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 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

Frequently asked(5)

What is CVE-2021-47415?

CVE-2021-47415 is a medium vulnerability published on May 21, 2024. In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mvm: Fix possible NULL dereference In iwlmvmremovetimeevent() check that 'te_data->vif' is NULL before dereferencing it.

When was CVE-2021-47415 disclosed?

CVE-2021-47415 was first published in the National Vulnerability Database on May 21, 2024, with the most recent update on December 31, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-47415 actively exploited?

CVE-2021-47415 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-47415?

CVE-2021-47415 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-47415?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47415, 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-2021-47415

Explore →

Is Your Infrastructure Affected by CVE-2021-47415?

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

Start Free Scan →Browse All CVEs

CVE-2021-47415

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-47415?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)