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Date: Wed, 26 Oct 2011 08:20:31 -0600
From: Kurt Seifried <>
Subject: Re: CVE Request -- kernel: xfs: potential buffer overflow
 in xfs_readlink()

On 10/26/2011 05:05 AM, Petr Matousek wrote:
> A flaw was found in the way Linux kernel's XFS filesystem implementation
> handled links with pathname larger than MAXPATHLEN. When
> CONFIG_XFS_DEBUG configuration option was not enabled when compiling
> Linux kernel, an attacker able to mount malicious XFS image could use
> this flaw to crash the system, or potentially, elevate his privileges
> on that system.
> Proposed upstream patch:
> References:
> Thanks,
Please use CVE-2011-4077 for this issue.


-Kurt Seifried / Red Hat Security Response Team

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