Upstream information

CVE-2016-4581 at MITRE

Description

fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted series of mount system calls.

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 4.9 4.7
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local Local
Access Complexity Low Medium
Authentication None None
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Complete Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.5
Vector 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
SUSE Bugzilla entry: 979913 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 42.1
  • kernel-debug >= 4.1.26-21.1
  • kernel-debug-base >= 4.1.26-21.1
  • kernel-debug-base-debuginfo >= 4.1.26-21.1
  • kernel-debug-debuginfo >= 4.1.26-21.1
  • kernel-debug-debugsource >= 4.1.26-21.1
  • kernel-debug-devel >= 4.1.26-21.1
  • kernel-debug-devel-debuginfo >= 4.1.26-21.1
  • kernel-default >= 4.1.26-21.1
  • kernel-default-base >= 4.1.26-21.1
  • kernel-default-base-debuginfo >= 4.1.26-21.1
  • kernel-default-debuginfo >= 4.1.26-21.1
  • kernel-default-debugsource >= 4.1.26-21.1
  • kernel-default-devel >= 4.1.26-21.1
  • kernel-devel >= 4.1.26-21.1
  • kernel-docs >= 4.1.26-21.2
  • kernel-docs-html >= 4.1.26-21.2
  • kernel-docs-pdf >= 4.1.26-21.2
  • kernel-ec2 >= 4.1.26-21.1
  • kernel-ec2-base >= 4.1.26-21.1
  • kernel-ec2-base-debuginfo >= 4.1.26-21.1
  • kernel-ec2-debuginfo >= 4.1.26-21.1
  • kernel-ec2-debugsource >= 4.1.26-21.1
  • kernel-ec2-devel >= 4.1.26-21.1
  • kernel-macros >= 4.1.26-21.1
  • kernel-obs-build >= 4.1.26-21.1
  • kernel-obs-build-debugsource >= 4.1.26-21.1
  • kernel-obs-qa >= 4.1.26-21.1
  • kernel-obs-qa-xen >= 4.1.26-21.1
  • kernel-pae >= 4.1.26-21.1
  • kernel-pae-base >= 4.1.26-21.1
  • kernel-pae-base-debuginfo >= 4.1.26-21.1
  • kernel-pae-debuginfo >= 4.1.26-21.1
  • kernel-pae-debugsource >= 4.1.26-21.1
  • kernel-pae-devel >= 4.1.26-21.1
  • kernel-pv >= 4.1.26-21.1
  • kernel-pv-base >= 4.1.26-21.1
  • kernel-pv-base-debuginfo >= 4.1.26-21.1
  • kernel-pv-debuginfo >= 4.1.26-21.1
  • kernel-pv-debugsource >= 4.1.26-21.1
  • kernel-pv-devel >= 4.1.26-21.1
  • kernel-source >= 4.1.26-21.1
  • kernel-source-vanilla >= 4.1.26-21.1
  • kernel-syms >= 4.1.26-21.1
  • kernel-vanilla >= 4.1.26-21.1
  • kernel-vanilla-debuginfo >= 4.1.26-21.1
  • kernel-vanilla-debugsource >= 4.1.26-21.1
  • kernel-vanilla-devel >= 4.1.26-21.1
  • kernel-xen >= 4.1.26-21.1
  • kernel-xen-base >= 4.1.26-21.1
  • kernel-xen-base-debuginfo >= 4.1.26-21.1
  • kernel-xen-debuginfo >= 4.1.26-21.1
  • kernel-xen-debugsource >= 4.1.26-21.1
  • kernel-xen-devel >= 4.1.26-21.1
Patchnames:
openSUSE-2016-753


Status of this issue by product and package

Product(s) Source package State
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 GA kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Unsupported
SUSE Linux Enterprise Server 10 SP4 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 12 GA kernel-source Not affected
SUSE Linux Enterprise Server 12 SP1 kernel-source Unsupported