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Unrated severityNVD Advisory· Published Apr 11, 2003· Updated Jun 16, 2026

CVE-2002-1420

CVE-2002-1420

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • OpenBSD/OpenBSD3 versions
    cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
    • (no CPE)range: <=3.1

Patches

Vulnerability mechanics

References

5

News mentions

0

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