CVE-2006-6654: n/a vulnerability

CVE-2006-6654: The sendmsg function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2....

The sendmsg function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029, when run on a 64-bit architecture, allows attackers to cause a denial of service (kernel panic) via an invalid msg_controllen parameter to the sendit function.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 17, 2024, 02:31 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2006-6654 is an old NetBSD kernel denial-of-service flaw. On affected 64-bit NetBSD systems, a malformed sendmsg input could trigger a kernel panic, causing system outage. The provided sources do not show active exploitation or data compromise. Exposure is limited to 64-bit NetBSD systems running the affected historical branches. Modern systems are unlikely to be affected unless they are legacy or embedded deployments using unpatched NetBSD 2.x, 3.0, 3.0.1, or old current snapshots. Treat as a legacy availability risk. Prioritize only if your environment still runs affected 64-bit NetBSD systems, especially in critical infrastructure, appliances, or embedded platforms. No active exploitation is supported by the provided sources. Mitigation focus: Identify any 64-bit NetBSD systems running affected historical versions.; Review NetBSD-SA2006-026 for vendor-provided correction details.; Upgrade or apply the relevant NetBSD security fixes if still exposed..

Prepared: Jun 29, 2026, 11:17 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 20, 2006, 02:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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