CVE-2024-21455

HIGHNVD 7.87.8—

7.8

Memory corruption when a compat IOCTL call is followed by another IOCTL call from userspace to a driver.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 42.3%
KEV: Not listed

Published

October 7, 2024

Last Modified

August 11, 2025

References (1)

product-security@qualcommhttps://docs.qualcomm.com/product/publicresources/securitybulletin/october-2024-bulletin.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 14× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-21455?

CVE-2024-21455 is a high vulnerability published on October 7, 2024. Memory corruption when a compat IOCTL call is followed by another IOCTL call from userspace to a driver.

When was CVE-2024-21455 disclosed?

CVE-2024-21455 was first published in the National Vulnerability Database on October 7, 2024, with the most recent update on August 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-21455 actively exploited?

CVE-2024-21455 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-21455?

CVE-2024-21455 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-21455?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21455, 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-2024-21455

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-21455?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)