oss-security - Re: CVE request Qemu: malicious PRDT flow from guest to host

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.11.1504201531450.24320@wniryva>
Date: Mon, 20 Apr 2015 15:34:06 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: cve-assign@...re.org
cc: oss security list <oss-security@...ts.openwall.com>
Subject: Re: CVE request Qemu: malicious PRDT flow from guest
 to host

  Hi,

+-- On Tue, 24 Mar 2015, P J P wrote --+
| Due to inconsistent error checking, Qemu emulator allows malicious PRDT data
| to flow from a guest to the host's IDE or AHCI controllers. This could result
| in infinite loop or memory leakage on the host leading to unbounded resource
| consumption.
| 
| A privileged user inside guest could use this flaw to crash the system,
| resulting in DoS.
| 
| Upstream fix:
| -------------
|   -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=3251bdcf1c67427d964517053c3d185b46e618e8

  Could this one get a CVE please?

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

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.