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: Linux (Caldera/SCO), Linux (Conectiva), Linux (Debian), Linux (EnGarde), Linux (Gentoo), Linux (HP Secure OS), Linux (Immunix), Linux (Mandriva/Mandrake), Linux (Progeny Debian), Linux (Red Hat Enterprise), Linux (Red Hat Fedora), Linux (Red Hat Linux), Linux (SGI), Linux (Slackware), Linux (Sun), Linux (SuSE), Linux (Trustix), Linux (Turbo Linux), Linux (Ubuntu), Linux (Xandros)
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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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