CVE-2022-36661

MEDIUMNVD 6.56.5—

6.5

xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vi_pci_read(). This vulnerability allows attackers to cause a Denial of Service via unspecified vectors.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 55.9%
KEV: Not listed

Published

September 7, 2022

Last Modified

June 17, 2025

References (2)

cve@mitrehttps://awxylitol.github.io/2022/07/21/disclose-three-bugs-in-xhyve.html
af854a3a-2127-422b-91ae-364da2661108https://awxylitol.github.io/2022/07/21/disclose-three-bugs-in-xhyve.html

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 15× 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 22:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2022-36661?

CVE-2022-36661 is a medium vulnerability published on September 7, 2022. xhyve commit dfbe09b was discovered to contain a NULL pointer dereference via the component vipciread(). This vulnerability allows attackers to cause a Denial of Service via unspecified vectors.

When was CVE-2022-36661 disclosed?

CVE-2022-36661 was first published in the National Vulnerability Database on September 7, 2022, with the most recent update on June 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-36661 actively exploited?

CVE-2022-36661 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-36661?

CVE-2022-36661 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2022-36661?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-36661, 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-2022-36661

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-36661?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)