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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
SecurityTracker Alert ID:  1023419
SecurityTracker URL:  http://securitytracker.com/id/1023419
CVE Reference:   CVE-2009-4537   (Links to External Site)
Date:  Jan 8 2010
Impact:   Denial of service via network
Vendor Confirmed:  Yes  
Version(s): prior to 2.6.12, 2.6.30 and after
Description:   A vulnerability was reported in Linux Kernel. A remote user can cause denial of service conditions.

A remote user can send data with a specially crafted 'RxMaxSize' frame size value to cause the target Realtek r8169 Ethernet driver to crash.

Fabian Yamaguchi reported this vulnerability.

Impact:   A remote user can cause the target system to crash.
Solution:   No solution was available at the time of this entry.

A patch has been proposed:

http://marc.info/?l=linux-netdev&m=126202972828626&w=2

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

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 8 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Jan 8 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Jan 20 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.3.z.
Feb 2 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Feb 2 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.2 Extended Update Support.
Feb 16 2010 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Realtek r8169 Ethernet Driver Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 4.7 Extended Update Support.



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