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Date: Wed, 27 Apr 2016 11:53:10 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
cc: "cve-assign@...re.org" <cve-assign@...re.org>
Subject: Re: CVE Request: Out-of-bands write issue found in
qemu
+-- On Wed, 27 Apr 2016, 李强 wrote --+
| The qemu has an out-of-bands bug in uart_write() function.
|
| In uart_write() function from hw/char/cadence_uart.c, the ‘offset’ isn’t
| checked and after it is divided by 4 and used to index the ‘r’ array, it
| will cause an out-of-bands memory write. The value can be controlled by
| guest and can cause the qemu crash or code execution on host.
|
| The patch is here:
| https://lists.nongnu.org/archive/html/qemu-devel/2016-04/msg02711.html
Not sure if this should need a CVE, awaiting upstream confirmation on the
same.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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