Upstream information

CVE-2013-1858 at MITRE

Description

The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.

SUSE information

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

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Note from the SUSE Security Team

This problem only affects Linux kernel 3.8, so no SUSE Linux Enterprise or openSUSE products are affected.

SUSE Bugzilla entry: 809296 [RESOLVED / UPSTREAM]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP3 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 kernel-source Analysis
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 12 GA LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 GA kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Analysis