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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel ATM clip_mkip() Function Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017526
SecurityTracker URL:  http://securitytracker.com/id/1017526
CVE Reference:   CVE-2006-4997   (Links to External Site)
Date:  Jan 17 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6
Description:   A vulnerability was reported in Linux Kernel in the ATM subsystem. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to access socket buffer memory that has been freed, triggering a kernel panic.

Only systems with ATM hardware installed and configured for ATM support are affected.

The vulnerability resides in the clip_mkip() function in 'net/atm/clip.c'.

Impact:   A remote user can cause a kernel panic.
Solution:   A source code fix is available at:

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fe26109a9dfd9327fdbe630fc819e1b7450986b2

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

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 17 2007 (Red Hat Issues Fix) Linux Kernel ATM clip_mkip() Function Lets Remote Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 2.1 (32-bit architectures).
Jan 17 2007 (Red Hat Issues Fix) Linux Kernel ATM clip_mkip() Function Lets Remote Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 2.1 (64-bit architectures).



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