Vulnerability identifier: #VU6944

Vulnerability risk: Low

CVSSv3.1: 2.3 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8380

CWE-ID: CWE-125

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description
Quick Emulator(Qemu) built with the MegaRAID SAS 8708EM2 Host Bus Adapter emulation support is vulnerable to an out-of-bounds read access issue. It could occur while performing a MMIO write operation. A privileged user inside guest could use this flaw to read host memory leading to potentially crash the Qemu process on the host.

Mitigation
Update to version 2.9.0-r2.

Vulnerable software versions

QEMU: 0.1 - 2.9.0

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External links
http://lists.gnu.org/archive/html/qemu-devel/2017-04/msg04147.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.