cve/2011/CVE-2011-1771.md

### [CVE-2011-1771](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1771)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### 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.

### POC

#### Reference
- http://securityreason.com/securityalert/8367

#### Github
No PoCs found on GitHub currently.
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00			`### [CVE-2011-1771](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1771)`
			`![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)`
Update CVE list 2025-09-29 21:09 2025-09-29 21:09:30 +02:00			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)`
Update Sun May 26 14:27:04 CEST 2024 2024-05-26 14:27:05 +02:00
			`### 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.`

			`### POC`

			`#### Reference`
			`- http://securityreason.com/securityalert/8367`

			`#### Github`
			`No PoCs found on GitHub currently.`