CVE-2002-1667

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc
• https://exchange.xforce.ibmcloud.com/vulnerabilities/8921

References

• ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc
• https://exchange.xforce.ibmcloud.com/vulnerabilities/8921

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