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Linux Kernel ALSA "snd_mem_proc_read()" Information Disclosure
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Secunia Advisory:
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SA26918
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Release Date:
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2007-09-26
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Popularity:
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7,123 views
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Critical:
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Not critical
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Impact:
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Exposure of sensitive information
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| OS: | Linux Kernel 2.6.x
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| CVE reference: | CVE-2007-4571
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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 "snd_mem_proc_read()" function in sound/core/memalloc.c when handling multiple reads from the "/proc/driver/snd-page-alloc" file, which can be exploited to disclose certain kernel memory.
The vulnerability is reported in versions prior to 2.6.22.8.
Solution:
Update to version 2.6.22.8.
Provided and/or discovered by:
Discovered by Neil Kettle (mu-b) of www.digit-labs.org and reported via iDefense Labs.
Original Advisory:
Linux Kernel ChangeLog:
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.8
iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=600
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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