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Linux Kernel Framebuffer Driver Direct Userspace Access Vulnerability
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Secunia Advisory:
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SA11486
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Release Date:
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2004-04-28
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Last Update:
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2005-05-17
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Popularity:
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13,500 views
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Critical:
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Not critical
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Impact:
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Security Bypass
DoS
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Where:
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Local system
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Solution Status:
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Partial Fix
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| OS: | Linux Kernel 2.4.x
Linux Kernel 2.6.x
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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:
Arjan van de Ven has reported a vulnerability in the Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The framebuffer driver reportedly uses the "fb_copy_cmap()" function incorrectly. The problem is that data is written to userspace directly instead of using the correct interfaces.
This may violate security boundaries and result in a DoS when copying data.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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