What’s Vulnerable › Vulnerabilities

CVE-2000-0461

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2000-05-29 · updated 2026-06-16

Description

The undocumented semconfig system call in BSD freezes the state of semaphores, which allows local users to cause a denial of service of the semaphore system by using the semconfig call.

Affected products

• FreeBSD: 1.1.5.1, 2.0, 2.0.5, 2.1.0, 2.1.5, 2.1.6 (+18)
• Netbsd: 1.4.1, 1.4.2

References

• http://www.openbsd.org/errata26.html#semconfig
• http://www.securityfocus.com/bid/1270
• http://www.openbsd.org/errata26.html#semconfig
• http://www.securityfocus.com/bid/1270

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