CVE-2002-1420: n/a vulnerability

CVE-2002-1420: Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary k...

Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 03:26 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2002-1420 is an old local OpenBSD kernel issue. A logged-in local user could trigger a signedness mistake in select() to overwrite kernel memory, potentially causing privilege escalation or system compromise. Exposure is mainly legacy OpenBSD 3.1 and earlier systems or derivatives. Likely limited to very old OpenBSD 3.1 and earlier installations, embedded systems, appliances, or retained legacy images. Modern systems are unlikely exposed unless they run affected OpenBSD code. Prioritize if any legacy OpenBSD hosts remain in production or allow local user access. For organizations without OpenBSD 3.1-era assets, business urgency is low, but asset verification is still warranted. Mitigation focus: Inventory any OpenBSD 3.1 or earlier systems and derived appliances.; Check OpenBSD advisory and vendor errata for the correct fixed release or patch.; Restrict local shell access on affected systems until remediated..

Prepared: Jun 30, 2026, 03:39 UTC (UTC+00:00)

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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 1, 2004, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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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

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