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Date: Tue, 24 Apr 2012 16:34:47 +0200
From: Marcus Meissner <>
To: OSS Security List <>
Subject: CVE Request: use after free bug in "quota" handling in hugetlb code


Reported by Schacher Raindel, quoting his report:

There is a use after free bug in the kernel hugetlb code. The bug can allow an
authenticated, unprivileged local attacker to crash the system (and possibly
gain higher privileges) if huge pages are enabled in the system.

A fix has been committed to upstream, commit
90481622d75715bfcb68501280a917dbfe516029 "hugepages: fix use after free bug in
"quota" handling"

Version-Release number of selected component (if applicable):
The bug exists in kernel versions 2.6.24 and above.


Ciao, Marcus

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