Upstream information

CVE-2016-6213 at MITRE

Description

fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having low severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.7 4
Vector AV:L/AC:M/Au:N/C:N/I:N/A:C AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector Local Local
Access Complexity Medium High
Authentication None None
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Complete Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 4.7
Vector AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Local
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
SUSE Bugzilla entry: 988964 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 GA kernel-source Affected
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Affected
SUSE Linux Enterprise Server 10 SP4 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 12 GA kernel-source Affected
SUSE Linux Enterprise Server 12 SP1 kernel-source Affected