CVE-2011-1771
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 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 6 (kernel) | RHSA-2011:0836 | 2011-06-01 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 1.3 | realtime-kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
| Red Hat Enterprise Linux 4 | kernel | Not affected |
CVE description copyright © 2017, The MITRE Corporation