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Linux Kernel Floating Point Leak Vulnerability
Secunia Advisory: SA11943
Release Date: 2004-07-12
Last Update: 2004-08-09
Popularity: 10,790 views

Critical:
Not critical
Impact: Exposure of system information
Exposure of sensitive information
Where: Local system
Solution Status: Vendor Patch

OS:Linux Kernel 2.4.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Arun Sharma has reported a vulnerability in the Linux kernel, which potentially can be exploited by malicious, local users to gain knowledge of sensitive information.

The vulnerability is caused due to an error within the context switch code. Reportedly, the problem is that only the "psr.mfh" bit is checked without checking the identity of the FPH owner, which allows a malicious program to set the MFH bit and thereby read register values of other processes.

The vulnerability only affects Linux ia64 kernels.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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