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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Keyring Destruction Error Lets Local Users Deny Service
SecurityTracker Alert ID:  1014644
SecurityTracker URL:  http://securitytracker.com/id/1014644
CVE Reference:   CVE-2005-2099   (Links to External Site)
Updated:  Jun 8 2008
Original Entry Date:  Aug 10 2005
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.13-rc6
Description:   A vulnerability was reported in the Linux kernel in the processing of keyrings. A local user may be able to cause the system to crash.

A local user can attempt to add a keyring in a manner that will cause the keyring instantiation function to fail. The system will then attempt to remove the keyring from the name list, causing the system to crash.

Impact:   A local user can cause the target system to crash.
Solution:   The vendor has issued a fixed version (2.6.13-rc6), available at:

http://kernel.org/

Red Hat has issued a fix for Red Hat Enterprise Linux 4:

https://rhn.redhat.com/errata/RHSA-2005-514.html

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

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 5 2005 (Red Hat Issues Fix) Linux Kernel Keyring Destruction Error Lets Local Users Deny Service
Red Hat has released a fix.



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