CVE-2011-1771

CVSS V2 Medium 4.4 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2011-1771
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2011-09-06T16:55:07
  • Last Modified Date
  • 2023-02-13T04:30:52
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 2.6.39
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://marc.info/?l=linux-cifs&m=130204357001849&w=2 Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=703016 Exploit Issue Tracking Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Release Notes Vendor Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7797069305d13252fd66cf722aa8f2cbeb3c95cd Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/05/09/2 Exploit Mailing List Patch Third Party Advisory
http://marc.info/?l=linux-cifs&m=130204730006155&w=2 Third Party Advisory
http://securityreason.com/securityalert/8367 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-1771
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1771
History
Created Old Value New Value Data Type Notes
2022-05-10 16:39:32 Added to TrackCVE
2023-02-13 05:04:35 2023-02-13T04:30:52 CVE Modified Date updated
2023-02-13 05:04:35 Analyzed Modified Vulnerability Status updated