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Message-ID: <alpine.LFD.2.10.1405131616430.7354@wniryva.cad.erqung.pbz>
Date: Tue, 13 May 2014 16:18:26 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE-2014-0223 Qemu: qcow1: Validate image size
Hello,
'CVE-2014-0223' has been assigned to this issue.
A huge image size could cause s->l1_size to overflow. Make sure that
images never require a L1 table larger than what fits in s->l1_size.
This cannot only cause unbounded allocations, but also the allocation of
a too small L1 table, resulting in out-of-bounds array accesses (both
reads and writes).
Upstream fix:
-------------
-> https://lists.gnu.org/archive/html/qemu-devel/2014-05/msg02156.html
Thank you.
--
Prasad J Pandit / Red Hat Security Response Team
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