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Linux Kernel ISO9660 Local Denial of Service
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Secunia Advisory:
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SA22702
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Release Date:
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2006-11-06
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Last Update:
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2006-11-07
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Popularity:
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10,613 views
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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 Workaround
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| OS: | Linux Kernel 2.6.x
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| CVE reference: | CVE-2006-5757
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Description:
LMH 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 an error within the "grow_buffers()" function when receiving a block number which is outside of the maximum-addressable pagecache range. This can be exploited to cause an infinite loop in the "__getblk_slow()" function by e.g. mounting a specially crafted ISO9660 image and performing a read operation on the mounted file system.
Solution:
Fixed in the GIT repository.
http://git.kernel.org/git/?p=linux/ke...b2928cc2202f13f0574d4c6f567f166d307eb
Provided and/or discovered by:
LMH
Changelog:
2006-11-07: Changed "Solution" and "Description" section. Added CVE reference.
Original Advisory:
http://projects.info-pull.com/mokb/MOKB-05-11-2006.html
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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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