CVE Database

CVE-2011-1771

Impact: Moderate
Public: 2011-04-05
Bugzilla: 703016: CVE-2011-1771 kernel: cifs oops when creating file with O_DIRECT set

Details

The MITRE CVE dictionary describes this issue as:

The cifs_close function in fs/cifs/file.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (NULL pointer dereference and BUG) or possibly have unspecified other impact by setting the O_DIRECT flag during an attempt to open a file on a CIFS filesystem.

Find out more about CVE-2011-1771 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise Linux MRG as they did not backport the upstream commit cdff08e7 that introduced this issue. Future kernel updates for Red Hat Enterprise Linux 6 may address this flaw.

CVSS v2 metrics

Base Score: 4.7
Base Metrics: 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

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (kernel) RHSA-2011:0836 June 01, 2011

External References

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For clarification or corrections please contact the Red Hat Security Response Team.