Description
FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain privileges.
Published: 2002-08-02
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2002-0812 FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain privileges.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T03:03:49.368Z

Reserved: 2002-08-01T00:00:00.000Z

Link: CVE-2002-0820

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2002-08-12T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2002-0820

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses