CVE-2016-7796

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

13/10/2016

Last modified:

12/04/2025

Description

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

Impact

Vector 3.x

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

4.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:systemd_project:systemd:209:::::::*
cpe:2.3:a:systemd_project:systemd:213:::::::*
cpe:2.3:a:systemd_project:systemd:214:::::::*
cpe:2.3:a:systemd_project:systemd:229:::::::*
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0::::ltss:::
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:systemd_project:systemd:209:::::::*
cpe:2.3:a:systemd_project:systemd:213:::::::*
cpe:2.3:a:systemd_project:systemd:214:::::::*
cpe:2.3:a:systemd_project:systemd:229:::::::*
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0::::ltss:::
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1::::::
cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

CVE-2016-7796

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools