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Date: Tue, 12 Jan 2016 23:24:36 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss-security@...ts.openwall.com
cc: cve-assign@...re.org, donghai.zdh@...baba-inc.com
Subject: Re: Re: CVE request Qemu: nvram: OOB r/w access in
 processing firmware configurations

+-- On Tue, 12 Jan 2016, cve-assign@...re.org wrote --+
| Use CVE-2016-1714.

  Thank you.
 
| Note that http://git.qemu.org/?p=qemu.git;a=blob;f=hw/nvram/fw_cfg.c
| has:
| 
|   static void fw_cfg_write(FWCfgState *s, uint8_t value)
|   {
|       /* nothing, write support removed in QEMU v2.4+ */
|   }
| 
| and has no fw_cfg_read function.

  That's right. This issue affects Qemu versions prior to 2.4. Above change 
was made immediately after the release of v2.3.

 -> http://git.qemu.org/?p=qemu.git;a=commit;h=023e3148567ac898c7258138f8e86c3c2bb40d07

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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