Upstream information

CVE-2011-5321 at MITRE

Description

The tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.9
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Note from the SUSE Security Team

This fix only affects Linux Kernels 2.6.28 up to 3.0.9. SUSE Linux Enterprise Server 11 SP1 had a 2.6.27 based kernel, SUSE Linux Enterprise Server 11 SP2 had 3.0.13 as kernel, so none of our products are affected by this problem.

SUSE Bugzilla entry: 922447 [RESOLVED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 11 SP1 kernel-source Released
SUSE Linux Enterprise Desktop 11 SP2 kernel-source Not affected
SUSE Linux Enterprise Desktop 11 SP3 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP1 kernel-source Released
SUSE Linux Enterprise Server 11 SP1 LTSS kernel-source Released
SUSE Linux Enterprise Server 11 SP2 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 11 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP AIO 11 SP1 kernel-source Released
SUSE Linux Enterprise Server for SAP ES 11 SP1 kernel-source Released
SUSE Linux Enterprise Server for VMWare 11 SP2 kernel-source Not affected
SUSE Linux Enterprise Server for VMWare 11 SP3 kernel-source Not affected