Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 4.5 |
References
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.ascPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/8921
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.ascPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/8921
FAQ
What is CVE-2002-1667?
CVE-2002-1667 is a vulnerability with a CVSS score of 2.1 (LOW). 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 ser...
How severe is CVE-2002-1667?
CVE-2002-1667 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2002-1667?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.