| Vulnerability Name: | CVE-2002-1667 (CCN-8921) | ||||||||
| Assigned: | 2002-04-18 | ||||||||
| Published: | 2002-04-18 | ||||||||
| Updated: | 2017-07-11 | ||||||||
| 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. | ||||||||
| CVSS v3 Severity: | 4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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| CVSS v2 Severity: | 2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
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| Vulnerability Type: | CWE-Other | ||||||||
| Vulnerability Consequences: | Denial of Service | ||||||||
| References: | Source: CCN Type: FreeBSD Security Advisory FreeBSD-SA-02:22.mmap mmap/msync denial of service Source: FREEBSD Type: Patch, Vendor Advisory FreeBSD-SA-02:22 Source: MITRE Type: CNA CVE-2002-1667 Source: CCN Type: OSVDB ID: 20823 FreeBSD Virtual Memory Management msync mmap Local DoS Source: XF Type: UNKNOWN freebsd-mmap-msync-dos(8921) Source: XF Type: UNKNOWN freebsd-mmap-msync-dos(8921) | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
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