Upstream information

CVE-2013-4205 at MITRE


Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSER unshare call.

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
Base Score 4.7
Vector AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Note from the SUSE Security Team

The feature was introduced in Linux kernel 3.8 and not backported to older distributions. No SUSE Linux Enterprise distribution was affected by this problem.

SUSE Bugzilla entry: 834455 [RESOLVED / UPSTREAM]

No SUSE Security Announcements cross referenced.