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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Buffer Overflow in perf_copy_attr() Lets Local Users Deny Service
SecurityTracker Alert ID:  1022922
SecurityTracker URL:  http://securitytracker.com/id/1022922
CVE Reference:   CVE-2009-3234   (Links to External Site)
Date:  Sep 21 2009
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.31-rc1
Description:   A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions.

A local user can supply specially crafted data to the perf_counter_open() syscall to cause the kernel to copy the data to a small buffer, resulting in a kernel crash.

The vulnerability resides in 'kernel/perf_counter.c'.

Impact:   A local user can cause the kernel to crash.
Solution:   The vendor has issued a source code patch, available at:

http://patchwork.kernel.org/patch/47627/

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Boundary error

Message History:   None.


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