Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
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SecurityTracker Alert ID: 1019959 |
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SecurityTracker URL: http://securitytracker.com/id/1019959
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CVE Reference:
CVE-2008-1375
(Links to External Site)
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Date: May 2 2008
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Impact:
Denial of service via local system, Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 2.6.25.1
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Description:
A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions. A local user may be able to obtain elevated privileges on the target system.
A local user can exploit a race condition between a fcntl() and a close() function call to send arbitrary signals to arbitrary processes. This may allow the user to gain elevated privileges.
Alexander Viro reported this vulnerability.
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Impact:
A local user can cause denial of service conditions on the target system.
A local user may be able to obtain elevated privileges on the target system.
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Solution:
The vendor has issued a fix (2.6.25.1).
The vendor's advisory is available at:
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.1
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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: Fri, 2 May 2008 09:34:07 -0400
Subject: Linux Kernel
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http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.1
Fix dnotify/close race (CVE-2008-1375)
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