Upstream information

CVE-2016-6516 at MITRE

Description

Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.4 6.9
Vector AV:L/AC:M/Au:N/C:P/I:P/A:P AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local Local
Access Complexity Medium Medium
Authentication None None
Confidentiality Impact Partial Complete
Integrity Impact Partial Complete
Availability Impact Partial Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.4
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entries: 991604 [RESOLVED / FIXED], 991669 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP4
  • kernel-default >= 4.12.14-94.41.1
  • kernel-default-devel >= 4.12.14-94.41.1
  • kernel-default-extra >= 4.12.14-94.41.1
  • kernel-devel >= 4.12.14-94.41.1
  • kernel-docs >= 4.12.14-94.41.1
  • kernel-macros >= 4.12.14-94.41.1
  • kernel-obs-build >= 4.12.14-94.41.1
  • kernel-source >= 4.12.14-94.41.1
  • kernel-syms >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise Desktop 12 SP4 GA kernel-default-4.12.14-94.41.1
SUSE Linux Enterprise Software Development Kit 12 SP4 GA kernel-docs-4.12.14-94.41.1
SUSE Linux Enterprise Workstation Extension 12 SP4 GA kernel-default-extra-4.12.14-94.41.1
SUSE Linux Enterprise Desktop 15
  • kernel-default >= 4.12.14-23.1
  • kernel-default-devel >= 4.12.14-23.1
  • kernel-default-extra >= 4.12.14-23.1
  • kernel-devel >= 4.12.14-23.1
  • kernel-docs >= 4.12.14-23.1
  • kernel-macros >= 4.12.14-23.1
  • kernel-obs-build >= 4.12.14-23.1
  • kernel-source >= 4.12.14-23.1
  • kernel-syms >= 4.12.14-23.1
  • kernel-vanilla-base >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-default-4.12.14-23.1
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-docs-4.12.14-23.1
SUSE Linux Enterprise Workstation Extension 15 GA kernel-default-extra-4.12.14-23.1
SUSE Linux Enterprise High Availability 12 SP4
SUSE Linux Enterprise High Performance Computing 12 SP4
  • cluster-md-kmp-default >= 4.12.14-94.41.1
  • dlm-kmp-default >= 4.12.14-94.41.1
  • gfs2-kmp-default >= 4.12.14-94.41.1
  • ocfs2-kmp-default >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise High Availability 12 SP4 GA cluster-md-kmp-default-4.12.14-94.41.1
SUSE Linux Enterprise High Availability 15
  • cluster-md-kmp-default >= 4.12.14-23.1
  • dlm-kmp-default >= 4.12.14-23.1
  • gfs2-kmp-default >= 4.12.14-23.1
  • ocfs2-kmp-default >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise High Availability 15 GA cluster-md-kmp-default-4.12.14-23.1
SUSE Linux Enterprise High Performance Computing 15
  • cluster-md-kmp-default >= 4.12.14-23.1
  • dlm-kmp-default >= 4.12.14-23.1
  • gfs2-kmp-default >= 4.12.14-23.1
  • kernel-default >= 4.12.14-23.1
  • kernel-default-devel >= 4.12.14-23.1
  • kernel-default-livepatch >= 4.12.14-23.1
  • kernel-devel >= 4.12.14-23.1
  • kernel-docs >= 4.12.14-23.1
  • kernel-macros >= 4.12.14-23.1
  • kernel-obs-build >= 4.12.14-23.1
  • kernel-source >= 4.12.14-23.1
  • kernel-syms >= 4.12.14-23.1
  • kernel-vanilla-base >= 4.12.14-23.1
  • ocfs2-kmp-default >= 4.12.14-23.1
  • reiserfs-kmp-default >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise High Availability 15 GA cluster-md-kmp-default-4.12.14-23.1
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-default-4.12.14-23.1
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-docs-4.12.14-23.1
SUSE Linux Enterprise Module for Legacy 15 GA reiserfs-kmp-default-4.12.14-23.1
SUSE Linux Enterprise Module for Live Patching 15 GA kernel-default-livepatch-4.12.14-23.1
SUSE Linux Enterprise Module for Basesystem 15
  • kernel-default >= 4.12.14-23.1
  • kernel-default-devel >= 4.12.14-23.1
  • kernel-devel >= 4.12.14-23.1
  • kernel-macros >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-default-4.12.14-23.1
SUSE Linux Enterprise Module for Development Tools 15
  • kernel-docs >= 4.12.14-23.1
  • kernel-obs-build >= 4.12.14-23.1
  • kernel-source >= 4.12.14-23.1
  • kernel-syms >= 4.12.14-23.1
  • kernel-vanilla-base >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-docs-4.12.14-23.1
SUSE Linux Enterprise Module for Legacy 15
  • reiserfs-kmp-default >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Module for Legacy 15 GA reiserfs-kmp-default-4.12.14-23.1
SUSE Linux Enterprise Module for Live Patching 15
  • kernel-default-livepatch >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Module for Live Patching 15 GA kernel-default-livepatch-4.12.14-23.1
SUSE Linux Enterprise Server 12 SP4
  • cluster-md-kmp-default >= 4.12.14-94.41.1
  • dlm-kmp-default >= 4.12.14-94.41.1
  • gfs2-kmp-default >= 4.12.14-94.41.1
  • kernel-default >= 4.12.14-94.41.1
  • kernel-default-base >= 4.12.14-94.41.1
  • kernel-default-devel >= 4.12.14-94.41.1
  • kernel-default-extra >= 4.12.14-94.41.1
  • kernel-default-man >= 4.12.14-94.41.1
  • kernel-devel >= 4.12.14-94.41.1
  • kernel-docs >= 4.12.14-94.41.1
  • kernel-macros >= 4.12.14-94.41.1
  • kernel-obs-build >= 4.12.14-94.41.1
  • kernel-source >= 4.12.14-94.41.1
  • kernel-syms >= 4.12.14-94.41.1
  • ocfs2-kmp-default >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise High Availability 12 SP4 GA cluster-md-kmp-default-4.12.14-94.41.1
SUSE Linux Enterprise Server 12 SP4 GA kernel-default-4.12.14-94.41.1
SUSE Linux Enterprise Software Development Kit 12 SP4 GA kernel-docs-4.12.14-94.41.1
SUSE Linux Enterprise Workstation Extension 12 SP4 GA kernel-default-extra-4.12.14-94.41.1
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
  • cluster-md-kmp-default >= 4.12.14-23.1
  • dlm-kmp-default >= 4.12.14-23.1
  • gfs2-kmp-default >= 4.12.14-23.1
  • kernel-default >= 4.12.14-23.1
  • kernel-default-devel >= 4.12.14-23.1
  • kernel-default-extra >= 4.12.14-23.1
  • kernel-default-livepatch >= 4.12.14-23.1
  • kernel-devel >= 4.12.14-23.1
  • kernel-docs >= 4.12.14-23.1
  • kernel-macros >= 4.12.14-23.1
  • kernel-obs-build >= 4.12.14-23.1
  • kernel-source >= 4.12.14-23.1
  • kernel-syms >= 4.12.14-23.1
  • kernel-vanilla-base >= 4.12.14-23.1
  • ocfs2-kmp-default >= 4.12.14-23.1
  • reiserfs-kmp-default >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise High Availability 15 GA cluster-md-kmp-default-4.12.14-23.1
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-default-4.12.14-23.1
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-docs-4.12.14-23.1
SUSE Linux Enterprise Module for Legacy 15 GA reiserfs-kmp-default-4.12.14-23.1
SUSE Linux Enterprise Module for Live Patching 15 GA kernel-default-livepatch-4.12.14-23.1
SUSE Linux Enterprise Workstation Extension 15 GA kernel-default-extra-4.12.14-23.1
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • kernel-default-extra >= 4.12.14-94.41.1
  • kernel-docs >= 4.12.14-94.41.1
  • kernel-obs-build >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP4 GA kernel-docs-4.12.14-94.41.1
SUSE Linux Enterprise Workstation Extension 12 SP4 GA kernel-default-extra-4.12.14-94.41.1
SUSE Linux Enterprise Software Development Kit 12 SP4
  • kernel-docs >= 4.12.14-94.41.1
  • kernel-obs-build >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP4 GA kernel-docs-4.12.14-94.41.1
SUSE Linux Enterprise Workstation Extension 12 SP4
  • kernel-default-extra >= 4.12.14-94.41.1
Patchnames:
SUSE Linux Enterprise Workstation Extension 12 SP4 GA kernel-default-extra-4.12.14-94.41.1
SUSE Linux Enterprise Workstation Extension 15
  • kernel-default-extra >= 4.12.14-23.1
Patchnames:
SUSE Linux Enterprise Workstation Extension 15 GA kernel-default-extra-4.12.14-23.1
openSUSE Leap 15.0
  • kernel-default >= 4.12.14-lp150.11.4
  • kernel-vanilla-base >= 4.12.14-lp150.11.4
Patchnames:
openSUSE Leap 15.0 GA kernel-default-4.12.14-lp150.11.4
openSUSE Tumbleweed
  • kernel-debug >= 4.8.13-1.1
  • kernel-debug-base >= 4.8.13-1.1
  • kernel-debug-devel >= 4.8.13-1.1
  • kernel-default >= 4.8.13-1.1
  • kernel-default-base >= 4.8.13-1.1
  • kernel-default-devel >= 4.8.13-1.1
  • kernel-devel >= 4.8.13-1.1
  • kernel-docs >= 4.8.13-1.1
  • kernel-docs-html >= 4.8.13-1.1
  • kernel-docs-pdf >= 4.8.13-1.1
  • kernel-macros >= 4.8.13-1.1
  • kernel-obs-build >= 4.8.13-1.1
  • kernel-obs-qa >= 4.8.13-1.1
  • kernel-pae >= 4.8.13-1.1
  • kernel-pae-base >= 4.8.13-1.1
  • kernel-pae-devel >= 4.8.13-1.1
  • kernel-source >= 4.8.13-1.1
  • kernel-source-vanilla >= 4.8.13-1.1
  • kernel-syms >= 4.8.13-1.1
  • kernel-syzkaller >= 4.8.13-1.1
  • kernel-syzkaller-base >= 4.8.13-1.1
  • kernel-syzkaller-devel >= 4.8.13-1.1
  • kernel-vanilla >= 4.8.13-1.1
  • kernel-vanilla-base >= 4.8.13-1.1
  • kernel-vanilla-devel >= 4.8.13-1.1
Patchnames:
openSUSE Tumbleweed GA kernel-debug-4.8.13-1.1


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
SLES for SAP Applications kernel-default Unsupported
SLES for SAP Applications kernel-source Unsupported
SUSE Linux Enterprise Desktop 12 SP3 kernel-default Analysis
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP4 kernel-default Analysis
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Analysis
SUSE Linux Enterprise Desktop 15 kernel-default Analysis
SUSE Linux Enterprise Desktop 15 kernel-source Analysis
SUSE Linux Enterprise Desktop 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 kernel-source-azure Already fixed
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source-azure Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source-azure Already fixed
SUSE Linux Enterprise Micro 5.0 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 kernel-source Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 kernel-default Analysis
SUSE Linux Enterprise Module for Development Tools 15 kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Module for Public Cloud 15 kernel-source-azure Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-azure Already fixed
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 12 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-default Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-default Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-default Already fixed
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source-azure Already fixed
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source-azure Already fixed
SUSE Linux Enterprise Server 15 kernel-default Analysis
SUSE Linux Enterprise Server 15 kernel-source Analysis
SUSE Linux Enterprise Server 15 kernel-source-azure Already fixed
SUSE Linux Enterprise Server 15 ESPOS kernel-default Already fixed
SUSE Linux Enterprise Server 15 ESPOS kernel-source Already fixed
SUSE Linux Enterprise Server 15 LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 15 LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP2 kernel-source-azure Already fixed
SUSE Linux Enterprise Server 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Server 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 15 SP3 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 12 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source-azure Already fixed
SUSE Linux Enterprise Storage 7 kernel-source-azure Already fixed
SUSE Linux Enterprise Storage 7.1 kernel-default Analysis
SUSE Linux Enterprise Storage 7.1 kernel-source Analysis
SUSE Linux Enterprise Storage 7.1 kernel-source-azure Already fixed
SUSE Manager Proxy 4.1 kernel-source-azure Already fixed
SUSE Manager Proxy 4.2 kernel-default Analysis
SUSE Manager Proxy 4.2 kernel-source Analysis
SUSE Manager Proxy 4.2 kernel-source-azure Already fixed
SUSE Manager Retail Branch Server 4.1 kernel-source-azure Already fixed
SUSE Manager Retail Branch Server 4.2 kernel-default Analysis
SUSE Manager Retail Branch Server 4.2 kernel-source Analysis
SUSE Manager Retail Branch Server 4.2 kernel-source-azure Already fixed
SUSE Manager Server 4.1 kernel-source-azure Already fixed
SUSE Manager Server 4.2 kernel-default Analysis
SUSE Manager Server 4.2 kernel-source Analysis
SUSE Manager Server 4.2 kernel-source-azure Already fixed
SUSE OpenStack Cloud 9 kernel-default Already fixed
SUSE OpenStack Cloud 9 kernel-source Already fixed
SUSE OpenStack Cloud 9 kernel-source-azure Already fixed
SUSE OpenStack Cloud Crowbar 9 kernel-default Already fixed
SUSE OpenStack Cloud Crowbar 9 kernel-source Already fixed
SUSE OpenStack Cloud Crowbar 9 kernel-source-azure Already fixed
SUSE Real Time Module 15 SP3 kernel-source-rt Analysis