CVE-2011-1771

7.8 HIGH
Published: September 06, 2011 Modified: April 29, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204357001849&w=2
Source: secalert@redhat.com
Exploit Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204730006155&w=2
Source: secalert@redhat.com
Third Party Advisory
http://securityreason.com/securityalert/8367
Source: secalert@redhat.com
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: secalert@redhat.com
Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/05/09/2
Source: secalert@redhat.com
Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703016
Source: secalert@redhat.com
Exploit Issue Tracking Patch Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204357001849&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204730006155&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://securityreason.com/securityalert/8367
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/05/09/2
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703016
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Third Party Advisory

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux