Linux Kernel Keyring Destruction Error Lets Local Users Deny Service
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SecurityTracker Alert ID: 1014644 |
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SecurityTracker URL: http://securitytracker.com/id/1014644
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CVE Reference:
CVE-2005-2099
(Links to External Site)
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Updated: Jun 8 2008
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Original Entry Date: Aug 10 2005
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Impact:
Denial of service via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 2.6.13-rc6
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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.
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Impact:
A local user can cause the target system to crash.
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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
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
State error
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Underlying OS:
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 9 Aug 2005 23:51:51 -0400
Subject: http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.13-rc6
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> The attached patch makes sure that a keyring that failed to instantiate
> properly is destroyed without oopsing [CAN-2005-2099].
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