Linux Kernel "sysfs_readdir()" Denial of Service      

Secunia Advisory:  SA25771    


Release Date:  2007-06-26 

Critical: 

Not critical 


Impact:  DoS


Where:  Local system


Solution Status:  Unpatched 

OS: Linux Kernel 2.6.x


CVE reference: CVE-2007-3104 (Secunia mirror)

Description:


A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious, local users to cause a Denial of Service (DoS).

The vulnerability is caused due to a NULL pointer dereference within the function "sysfs_readdir()" when handling pointers to inodes. This can be exploited to crash a vulnerable system.

Solution:


Restrict access to trusted users only.

Provided and/or discovered by:


Reported in a Red Hat advisory.


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