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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel dns_resolver Key Processing Error Lets Local Users Deny Service
SecurityTracker Alert ID:  1025162
SecurityTracker URL:  http://securitytracker.com/id/1025162
CVE Reference:   CVE-2011-1076   (Links to External Site)
Date:  Mar 4 2011
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2.6.37 and prior versions
Description:   A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions.

When a DNS resolver key is instantiated with an error indication, a local user can attempt to read the key to trigger a null pointer dereference and cause a kernel crash.

Impact:   A local 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=1362fa078dae16776cd439791c6605b224ea6171

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

Message History:   None.


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