What’s Vulnerable › Vulnerabilities

CVE-2002-1667

• 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: 2002-12-31 · updated 2026-06-16

Description

The virtual memory management system in FreeBSD 4.5-RELEASE and earlier does not properly check the existence of a VM object during page invalidation, which allows local users to cause a denial of service (crash) by calling msync on an unaccessed memory map created with MAP_ANON and MAP_NOSYNC flags.

Affected products

• FreeBSD: 4.5-release, 4.5-stable

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/8921
• https://exchange.xforce.ibmcloud.com/vulnerabilities/8921

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