Linux Kernel sysfs_readdir() NULL Pointer Dereference Lets Local Users Deny Service
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SecurityTracker Alert ID: 1018289
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SecurityTracker URL: http://securitytracker.com/id?1018289
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CVE Reference: CVE-2007-3104
(Links to External Site)
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Date: Jun 26 2007
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Impact: Denial of service via local system
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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 can invoke the sysfs_readdir() function to trigger a kernel oops.
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Impact: A local user can cause denial of service conditions on the target system.
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Solution: No solution was available at the time of this entry.
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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: Tue, 26 Jun 2007 06:20:50 -0400
Subject: Linux kernel local denial of service
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Red Hat reported:
* a flaw in the sysfs_readdir function that allowed a local user to cause a
denial of service by dereferencing a NULL pointer. (CVE-2007-3104, Moderate)
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