CVE-2011-1771

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd
http://marc.info/?l=linux-cifs&m=130204357001849&w=2Exploit, Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204730006155&w=2Third Party Advisory
http://securityreason.com/securityalert/8367Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/05/09/2Exploit, Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703016Exploit, Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd
http://marc.info/?l=linux-cifs&m=130204357001849&w=2Exploit, Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204730006155&w=2Third Party Advisory
http://securityreason.com/securityalert/8367Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Release Notes, Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/05/09/2Exploit, Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703016Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Sep 6, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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