Public Date:
509845: CVE-2009-1892 dhcp: DoS/abort in some configs with client-identifier and hardware address host specifications

The MITRE CVE dictionary describes this issue as:

dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.

Find out more about CVE-2009-1892 from the MITRE CVE dictionary dictionary and NIST NVD.


Not vulnerable. Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.9
Base Metrics AV:A/AC:M/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).