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Date: Wed, 18 Mar 2009 13:41:28 -0400
From: "Michael K. Johnson" <johnsonm@...th.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: inotify local DoS

On Tue, Mar 17, 2009 at 08:39:33PM -0400, Steven M. Christey wrote:
> 
> ======================================================
> Name: CVE-2009-0935
> Status: Candidate
> URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0935
> Reference: MLIST:[linux-kernel] 20090131 [patch 03/43] inotify: clean up inotify_read and fix locking
> Reference: URL:http://marc.info/?l=linux-kernel&m=123337123501681&w=2
> Reference: MLIST:[oss-security] 20090306 CVE request: kernel: inotify local DoS
> Reference: URL:http://www.openwall.com/lists/oss-security/2009/03/06/2
> Reference: CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=488935
> 
> The inotify_read function in the Linux kernel 2.6 before 2.6.29-rc3
> allows local users to cause a denial of service (OOPS) via a read with
> an invalid address to an inotify instance, which causes the device's
> event list mutex to be unlocked twice and prevents proper
> synchronization of a data structure for the inotify instance.

In the 2.6.27.y stable releases, this affects 2.6.27.13 and earlier.
In the 2.6.28.y stable releases, this affects 2.6.28.2 and earlier.

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