CVE-2002-1667

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.

2.1

CVSS

Severity: Low

CVSS 2.0 •

EPSS 0.06%

Vendor Advisory freebsd.org

Affected: n/a n/a

References

Link	Tags
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:22.mmap.asc	patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/8921	vdb entry

Frequently Asked Questions

What is the severity of CVE-2002-1667?: CVE-2002-1667 has been scored as a low severity vulnerability.
How to fix CVE-2002-1667?: To fix CVE-2002-1667, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2002-1667 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2002-1667 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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