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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Bug in xfrm6_tunnel Module Lets Remote Users Deny Service
SecurityTracker Alert ID:  1026930
SecurityTracker URL:  http://securitytracker.com/id/1026930
CVE Reference:   CVE-2012-1583   (Links to External Site)
Date:  Apr 17 2012
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.x
Description:   A vulnerability was reported in the Linux Kernel. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to trigger a use-after-free or a double-free memory error in the xfrm6_tunnel_rcv() function and cause the target system to crash.

Systems using IPv6 and with the xfrm6_tunnel kernel module loaded are affected.

Impact:   A remote user can cause the target system to crash.
Solution:   The vendor has issued a source code fix, available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d0772b70

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.
Apr 17 2012 (Red Hat Issues Fix) Linux Kernel Bug in xfrm6_tunnel Module Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.



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