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FreeBSD Devfs / VFS NULL Pointer Dereference Privilege Escalation
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Secunia Advisory:
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SA36945
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Release Date:
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2009-10-05
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Popularity:
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628 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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: | FreeBSD 7.1
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in FreeBSD, which can be exploited by malicious, local users to cause a DoS (Denial of Service) and potentially gain escalated privileges.
The vulnerability is caused due to a NULL pointer dereference error caused by a race condition within the devfs and VFS interaction. This can be exploited to e.g. execute arbitrary code with kernel privileges.
NOTE: Additionally, the vendor provides an enhancement against NULL pointer exploits.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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