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Insecure Library Loading
Not critical

Linux Kernel "mm_for_maps()" Information Disclosure

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Release Date:  2009-08-11    Last Update:  2009-08-17    Views:  2,835

Secunia Advisory SA36265

Where:

Local system

Impact:

Exposure of sensitive information

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious, local users to disclose potentially sensitive information.

The vulnerability is caused due to an error within the "mm_for_maps()" function in fs/proc/base.c. This can be exploited to disclose the content of the "maps" and "smaps" files from the "/proc" filesystem for a setuid process which is starting.


Solution:
Update to version 2.6.30.5.

Provided and/or discovered by:
Red Hat credits Kees Cook and Steve Beattie.

Original Advisory:
https://bugzilla.redhat.com/show_bug.cgi?id=516171

http://git.kernel.org/linus/13f0feafa6b8aead57a2a328e2fca6a5828bf286

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Linux Kernel "mm_for_maps()" Information Disclosure

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