CVE-2016-7796

Upstream information

CVE-2016-7796 at MITRE

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.

---

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database	SUSE
Base Score	4.9	1.7
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:C	AV:L/AC:L/Au:S/C:N/I:N/A:P
Access Vector	Local	Local
Access Complexity	Low	Low
Authentication	None	Single
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	Complete	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	5.5
Vector	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector	Local
Access Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3

SUSE Bugzilla entry: 1001765 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2016:2475-1, published Fri, 7 Oct 2016 21:08:53 +0200 (CEST)
• SUSE-SU-2016:2476-1, published Fri, 7 Oct 2016 21:11:03 +0200 (CEST)
• SUSE-SU-2017:2699-1, published Wed, 11 Oct 2017 03:06:53 +0200 (CEST)
• SUSE-SU-2017:2700-1, published Wed, 11 Oct 2017 03:07:32 +0200 (CEST)
• openSUSE-SU-2016:2522-1, published Thu, 13 Oct 2016 12:08:42 +0200 (CEST)
• openSUSE-SU-2016:2539-1, published Fri, 14 Oct 2016 16:09:10 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Desktop 12 SP1	libgudev-1_0-0 >= 210-114.1 libgudev-1_0-0-32bit >= 210-114.1 libudev1 >= 210-114.1 libudev1-32bit >= 210-114.1 systemd >= 210-114.1 systemd-32bit >= 210-114.1 systemd-bash-completion >= 210-114.1 systemd-sysvinit >= 210-114.1 udev >= 210-114.1	Patchnames: SUSE-SLE-DESKTOP-12-SP1-2016-1448
SUSE Linux Enterprise Module for Containers 12	sles12-docker-image >= 1.1.4-20171002 sles12sp1-docker-image >= 1.0.7-20171002	Patchnames: SUSE-SLE-Module-Containers-12-2017-1672 SUSE-SLE-Module-Containers-12-2017-1673
SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1	libgudev-1_0-0 >= 210-114.1 libgudev-1_0-0-32bit >= 210-114.1 libudev1 >= 210-114.1 libudev1-32bit >= 210-114.1 systemd >= 210-114.1 systemd-32bit >= 210-114.1 systemd-bash-completion >= 210-114.1 systemd-sysvinit >= 210-114.1 udev >= 210-114.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2016-1448
SUSE Linux Enterprise Server 12-LTSS	libgudev-1_0-0 >= 210-70.58.1 libgudev-1_0-0-32bit >= 210-70.58.1 libudev1 >= 210-70.58.1 libudev1-32bit >= 210-70.58.1 systemd >= 210-70.58.1 systemd-32bit >= 210-70.58.1 systemd-bash-completion >= 210-70.58.1 systemd-sysvinit >= 210-70.58.1 udev >= 210-70.58.1	Patchnames: SUSE-SLE-SERVER-12-2016-1447
SUSE Linux Enterprise Server for SAP Applications 12	libgudev-1_0-0 >= 210-70.58.1 libgudev-1_0-0-32bit >= 210-70.58.1 libudev1 >= 210-70.58.1 libudev1-32bit >= 210-70.58.1 systemd >= 210-70.58.1 systemd-32bit >= 210-70.58.1 systemd-bash-completion >= 210-70.58.1 systemd-sysvinit >= 210-70.58.1 udev >= 210-70.58.1	Patchnames: SUSE-SLE-SAP-12-2016-1447
SUSE Linux Enterprise Software Development Kit 12 SP1	libgudev-1_0-devel >= 210-114.1 libudev-devel >= 210-114.1 systemd-devel >= 210-114.1 typelib-1_0-GUdev-1_0 >= 210-114.1	Patchnames: SUSE-SLE-SDK-12-SP1-2016-1448

---

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s)	Source package	State
HPE Helion OpenStack 8	systemd	Already fixed
SUSE Linux Enterprise Desktop 12	systemd	Released
SUSE Linux Enterprise Desktop 12 SP1	systemd	Released
SUSE Linux Enterprise Module for Containers 12	sles12-docker-image	Released
SUSE Linux Enterprise Module for Containers 12	sles12sp1-docker-image	Released
SUSE Linux Enterprise Server 12	systemd	Released
SUSE Linux Enterprise Server 12 LTSS	systemd	Released
SUSE Linux Enterprise Server 12 SP1	systemd	Released
SUSE Linux Enterprise Server 12 SP2 BCL	systemd	Already fixed
SUSE Linux Enterprise Server 12 SP3 BCL	systemd	Already fixed
SUSE Linux Enterprise Server 12 SP3 ESPOS	systemd	Already fixed
SUSE Linux Enterprise Server 12 SP3 LTSS	systemd	Already fixed
SUSE Linux Enterprise Server 12 SP4 ESPOS	systemd	Already fixed
SUSE Linux Enterprise Server 12 SP4 LTSS	systemd	Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP3	systemd	Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4	systemd	Already fixed
SUSE Linux Enterprise Software Development Kit 12	systemd	Released
SUSE Linux Enterprise Software Development Kit 12 SP1	systemd	Released
SUSE OpenStack Cloud 8	systemd	Already fixed
SUSE OpenStack Cloud 9	systemd	Already fixed
SUSE OpenStack Cloud Crowbar 8	systemd	Already fixed
SUSE OpenStack Cloud Crowbar 9	systemd	Already fixed
suse/sles12sp3	systemd	Already fixed