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Fedora Core SELinux "superblock_doinit()" Denial of Service
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Secunia Advisory:
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SA22887
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Release Date:
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2006-11-15
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Last Update:
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2006-11-24
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Popularity:
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6,568 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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Unpatched
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| OS: | Fedora Core 6
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| CVE reference: | CVE-2006-6056
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Description:
LMH has reported a vulnerability in Fedora Core, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to a NULL pointer dereference error within the "superblock_doinit()" function. This can be exploited to cause a crash by mounting a specially crafted image.
Successful exploitation requires that SELinux hooks are enabled.
The vulnerability is reported in Fedora Core 6. Other versions may also be affected.
Solution:
Allow only trusted people to mount images.
Provided and/or discovered by:
LMH
Changelog:
2006-11-24: Added CVE reference.
Original Advisory:
http://projects.info-pull.com/mokb/MOKB-14-11-2006.html
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About this Secunia Advisory
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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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