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CVE-2002-1667

UnknownEPSS 0.29%

Last modified

CVE-2002-1667 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.29%

21.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
FreebsdFreebsd4.5Release

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2002-1667?
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.
How severe is CVE-2002-1667?
Severity scoring for CVE-2002-1667 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2002-1667?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-1667?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST