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Linux Kernel "mincore()" Deadlock Denial of Service
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Secunia Advisory:
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SA23436
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Release Date:
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2006-12-20
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Critical:
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Not critical
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Impact:
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DoS
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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 2.4.x
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| | CVE reference: | CVE-2006-4814 (Secunia mirror)
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Description:
Doug Chapman has reported a vulnerability in the Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the handling of locking semaphores in "mincore()". This can be exploited to cause a deadlock by using the function on unmapped pages.
Solution:
Update to version 2.4.33.6.
Provided and/or discovered by:
Doug Chapman
Original Advisory:
http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.33.6
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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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