CVE-2016-7916

Upstream information

CVE-2016-7916 at MITRE

Description

Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.

SUSE information

Overall state of this security issue: Revisit

This issue is currently rated as having moderate severity.

CVSS v2 Scores
	National Vulnerability Database	SUSE
Base Score	4.7	2.1
Vector	AV:L/AC:M/Au:N/C:C/I:N/A:N	AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector	Local	Local
Access Complexity	Medium	Low
Authentication	None	None
Confidentiality Impact	Complete	Partial
Integrity Impact	None	None
Availability Impact	None	None

CVSS v3 Scores
	National Vulnerability Database
Base Score	5.5
Vector	AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Access Vector	Local
Access Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	None
Availability Impact	None

SUSE Bugzilla entry: 1010467 [RESOLVED / FIXED]

SUSE Security Advisories:

SUSE-SU-2017:0333-1, published Mon, 30 Jan 2017 20:09:00 +0100 (CET)
SUSE-SU-2017:0437-1, published Thu, 9 Feb 2017 21:08:33 +0100 (CET)
SUSE-SU-2017:0494-1, published Fri, 17 Feb 2017 18:08:18 +0100 (CET)
SUSE-SU-2017:1102-1, published Tue, 25 Apr 2017 21:08:55 +0200 (CEST)
openSUSE-SU-2016:3061-1, published Thu, 8 Dec 2016 20:06:50 +0100 (CET)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Point of Sale 11 SP3	`kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-pae >= 3.0.101-0.47.96.1` `kernel-pae-base >= 3.0.101-0.47.96.1` `kernel-pae-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: sleposp3-linux-kernel-12992
SUSE Linux Enterprise Real Time Extension 11 SP4	`kernel-rt >= 3.0.101.rt130-68.1` `kernel-rt-base >= 3.0.101.rt130-68.1` `kernel-rt-devel >= 3.0.101.rt130-68.1` `kernel-rt_trace >= 3.0.101.rt130-68.1` `kernel-rt_trace-base >= 3.0.101.rt130-68.1` `kernel-rt_trace-devel >= 3.0.101.rt130-68.1` `kernel-source-rt >= 3.0.101.rt130-68.1` `kernel-syms-rt >= 3.0.101.rt130-68.1`	Patchnames: slertesp4-kernel-13074
SUSE Linux Enterprise Server 11 SP2-LTSS	`kernel-default >= 3.0.101-0.7.53.1` `kernel-default-base >= 3.0.101-0.7.53.1` `kernel-default-devel >= 3.0.101-0.7.53.1` `kernel-default-man >= 3.0.101-0.7.53.1` `kernel-ec2 >= 3.0.101-0.7.53.1` `kernel-ec2-base >= 3.0.101-0.7.53.1` `kernel-ec2-devel >= 3.0.101-0.7.53.1` `kernel-pae >= 3.0.101-0.7.53.1` `kernel-pae-base >= 3.0.101-0.7.53.1` `kernel-pae-devel >= 3.0.101-0.7.53.1` `kernel-source >= 3.0.101-0.7.53.1` `kernel-syms >= 3.0.101-0.7.53.1` `kernel-trace >= 3.0.101-0.7.53.1` `kernel-trace-base >= 3.0.101-0.7.53.1` `kernel-trace-devel >= 3.0.101-0.7.53.1` `kernel-xen >= 3.0.101-0.7.53.1` `kernel-xen-base >= 3.0.101-0.7.53.1` `kernel-xen-devel >= 3.0.101-0.7.53.1`	Patchnames: slessp2-kernel-12961
SUSE Linux Enterprise Server 11 SP3-LTSS	`kernel-bigsmp >= 3.0.101-0.47.96.1` `kernel-bigsmp-base >= 3.0.101-0.47.96.1` `kernel-bigsmp-devel >= 3.0.101-0.47.96.1` `kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-default-man >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-pae >= 3.0.101-0.47.96.1` `kernel-pae-base >= 3.0.101-0.47.96.1` `kernel-pae-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: slessp3-linux-kernel-12992
SUSE Linux Enterprise Server 11 SP4	`kernel-bigmem >= 3.0.101-94.1` `kernel-bigmem-base >= 3.0.101-94.1` `kernel-bigmem-devel >= 3.0.101-94.1` `kernel-default >= 3.0.101-94.1` `kernel-default-base >= 3.0.101-94.1` `kernel-default-devel >= 3.0.101-94.1` `kernel-default-man >= 3.0.101-94.1` `kernel-ec2 >= 3.0.101-94.1` `kernel-ec2-base >= 3.0.101-94.1` `kernel-ec2-devel >= 3.0.101-94.1` `kernel-pae >= 3.0.101-94.1` `kernel-pae-base >= 3.0.101-94.1` `kernel-pae-devel >= 3.0.101-94.1` `kernel-ppc64 >= 3.0.101-94.1` `kernel-ppc64-base >= 3.0.101-94.1` `kernel-ppc64-devel >= 3.0.101-94.1` `kernel-source >= 3.0.101-94.1` `kernel-syms >= 3.0.101-94.1` `kernel-trace >= 3.0.101-94.1` `kernel-trace-base >= 3.0.101-94.1` `kernel-trace-devel >= 3.0.101-94.1` `kernel-xen >= 3.0.101-94.1` `kernel-xen-base >= 3.0.101-94.1` `kernel-xen-devel >= 3.0.101-94.1`	Patchnames: slessp4-kernel-12977
SUSE Linux Enterprise Server for SAP Applications 11 SP2-LTSS	`kernel-default >= 3.0.101-0.7.53.1` `kernel-default-base >= 3.0.101-0.7.53.1` `kernel-default-devel >= 3.0.101-0.7.53.1` `kernel-default-man >= 3.0.101-0.7.53.1` `kernel-ec2 >= 3.0.101-0.7.53.1` `kernel-ec2-base >= 3.0.101-0.7.53.1` `kernel-ec2-devel >= 3.0.101-0.7.53.1` `kernel-pae >= 3.0.101-0.7.53.1` `kernel-pae-base >= 3.0.101-0.7.53.1` `kernel-pae-devel >= 3.0.101-0.7.53.1` `kernel-source >= 3.0.101-0.7.53.1` `kernel-syms >= 3.0.101-0.7.53.1` `kernel-trace >= 3.0.101-0.7.53.1` `kernel-trace-base >= 3.0.101-0.7.53.1` `kernel-trace-devel >= 3.0.101-0.7.53.1` `kernel-xen >= 3.0.101-0.7.53.1` `kernel-xen-base >= 3.0.101-0.7.53.1` `kernel-xen-devel >= 3.0.101-0.7.53.1`	Patchnames: slessp2-kernel-12961
SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS	`kernel-bigsmp >= 3.0.101-0.47.96.1` `kernel-bigsmp-base >= 3.0.101-0.47.96.1` `kernel-bigsmp-devel >= 3.0.101-0.47.96.1` `kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-default-man >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-pae >= 3.0.101-0.47.96.1` `kernel-pae-base >= 3.0.101-0.47.96.1` `kernel-pae-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: slessp3-linux-kernel-12992
SUSE Linux Enterprise Server for SAP Applications 11 SP4	`kernel-bigmem >= 3.0.101-94.1` `kernel-bigmem-base >= 3.0.101-94.1` `kernel-bigmem-devel >= 3.0.101-94.1` `kernel-default >= 3.0.101-94.1` `kernel-default-base >= 3.0.101-94.1` `kernel-default-devel >= 3.0.101-94.1` `kernel-default-man >= 3.0.101-94.1` `kernel-ec2 >= 3.0.101-94.1` `kernel-ec2-base >= 3.0.101-94.1` `kernel-ec2-devel >= 3.0.101-94.1` `kernel-pae >= 3.0.101-94.1` `kernel-pae-base >= 3.0.101-94.1` `kernel-pae-devel >= 3.0.101-94.1` `kernel-ppc64 >= 3.0.101-94.1` `kernel-ppc64-base >= 3.0.101-94.1` `kernel-ppc64-devel >= 3.0.101-94.1` `kernel-source >= 3.0.101-94.1` `kernel-syms >= 3.0.101-94.1` `kernel-trace >= 3.0.101-94.1` `kernel-trace-base >= 3.0.101-94.1` `kernel-trace-devel >= 3.0.101-94.1` `kernel-xen >= 3.0.101-94.1` `kernel-xen-base >= 3.0.101-94.1` `kernel-xen-devel >= 3.0.101-94.1`	Patchnames: slessp4-kernel-12977
SUSE Linux Enterprise Software Development Kit 11 SP4	`kernel-docs >= 3.0.101-94.2`	Patchnames: sdksp4-kernel-12977
SUSE Manager 2.1	`kernel-bigsmp >= 3.0.101-0.47.96.1` `kernel-bigsmp-base >= 3.0.101-0.47.96.1` `kernel-bigsmp-devel >= 3.0.101-0.47.96.1` `kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-default-man >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: sleman21-linux-kernel-12992
SUSE Manager Proxy 2.1	`kernel-bigsmp >= 3.0.101-0.47.96.1` `kernel-bigsmp-base >= 3.0.101-0.47.96.1` `kernel-bigsmp-devel >= 3.0.101-0.47.96.1` `kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: slemap21-linux-kernel-12992
SUSE OpenStack Cloud 5	`kernel-bigsmp >= 3.0.101-0.47.96.1` `kernel-bigsmp-base >= 3.0.101-0.47.96.1` `kernel-bigsmp-devel >= 3.0.101-0.47.96.1` `kernel-default >= 3.0.101-0.47.96.1` `kernel-default-base >= 3.0.101-0.47.96.1` `kernel-default-devel >= 3.0.101-0.47.96.1` `kernel-ec2 >= 3.0.101-0.47.96.1` `kernel-ec2-base >= 3.0.101-0.47.96.1` `kernel-ec2-devel >= 3.0.101-0.47.96.1` `kernel-source >= 3.0.101-0.47.96.1` `kernel-syms >= 3.0.101-0.47.96.1` `kernel-trace >= 3.0.101-0.47.96.1` `kernel-trace-base >= 3.0.101-0.47.96.1` `kernel-trace-devel >= 3.0.101-0.47.96.1` `kernel-xen >= 3.0.101-0.47.96.1` `kernel-xen-base >= 3.0.101-0.47.96.1` `kernel-xen-devel >= 3.0.101-0.47.96.1`	Patchnames: sleclo50sp3-linux-kernel-12992

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
SUSE Linux Enterprise Desktop 12 SP1	kernel-source	Not affected
SUSE Linux Enterprise Desktop 12 SP2	kernel-source	Affected
SUSE Linux Enterprise Server 11 SP2 LTSS	kernel-source	Released
SUSE Linux Enterprise Server 11 SP3 LTSS	kernel-source	Released
SUSE Linux Enterprise Server 11 SP4	kernel-source	Released
SUSE Linux Enterprise Server 12 SP1	kernel-source	Not affected
SUSE Linux Enterprise Server 12 SP2	kernel-source	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3	kernel-source	Analysis