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Unrated severityNVD Advisory· Published Jun 2, 2001· Updated Jun 16, 2026

CVE-2001-1047

CVE-2001-1047

Description

Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.

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

Affected products

5
  • OpenBSD/OpenBSD5 versions
    cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:2.9:*:*:*:*:*:*:*
    • (no CPE)

Patches

Vulnerability mechanics

References

5

News mentions

0

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