Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Mon,  4 Jan 2016 11:59:33 -0500 (EST)
From: cve-assign@...re.org
To: ppandit@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> Qemu emulator built with a VMWARE VMXNET3 paravirtual NIC emulator support is
> vulnerable to crash issue. It could occur while reading Interrupt Mask
> Registers(IMR).
> 
> A privileged(CAP_SYS_RAWIO) guest user could use this flaw to crash the Qemu
> process instance resulting in DoS.
> 
> http://git.qemu.org/?p=qemu.git;a=commit;h=c6048f849c7e3f009786df76206e895a69de032c
> https://bugzilla.redhat.com/show_bug.cgi?id=1270876

>> Instead of asserting, return the actual IMR register value.

Use CVE-2015-8745.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=8aFM
-----END PGP SIGNATURE-----

Powered by blists - more mailing lists

Your e-mail address:

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

Powered by Openwall GNU/*/Linux - Powered by OpenVZ