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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Memory Leak in syscall32_setup_pages() May Let Local Users Deny Service
SecurityTracker Alert ID:  1014722
SecurityTracker URL:  http://securitytracker.com/id/1014722
CVE Reference:   CVE-2005-2617   (Links to External Site)
Date:  Aug 17 2005
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.13-rc6
Description:   A vulnerability was reported in the Linux kernel. A local user can trigger a memory leak.

The syscall32_setup_pages() function in 'syscall32.c' does not check the return value of the insert_vm_struct() function. A local user can create a 32-bit application with a specially crafted ELF header that, when executed, will cause the system to fail to free allocated memory.

A local user may be able to exploit this to cause denial of service conditions.

Impact:   A local user can cause a memory leak, which may result in denial of service conditions.
Solution:   A source code fix is available at:

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9fb1759a3102c26cd8f64254a7c3e532782c2bb8

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

Message History:   None.


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