Upstream information

CVE-2009-4895 at MITRE

Description

Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel before 2.6.32.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via unknown vectors, related to the put_tty_queue and __f_setown functions. NOTE: the vulnerability was addressed in a different way in 2.6.32.9.

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 4.7
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

Only kernels newer than 2.6.17 were affected. SUSE Linux Enterprise 11 SP1 was fixed before shipment (with the 2.6.32.9 kernel), SUSE Linux Enterprise 11 GA, openSUSE 11.1 and 11.2 are affected. Updates will be published for this issue.

SUSE Bugzilla entry: 614266 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.