CVE-2011-1771

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.4 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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://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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cd

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2011-09-06 09:55

Updated : 2023-02-12 20:30

NVD link : CVE-2011-1771

Mitre link : CVE-2011-1771

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

Products Affected

linux

linux_kernel

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7.8 /10