Infinite loop in QEMU - CVE-2017-9310

 

Infinite loop in QEMU - CVE-2017-9310

Published: June 6, 2017 / Updated: June 8, 2017


Vulnerability identifier: #VU6946
CSH Severity: Low
CVSS v4.0:
CVE-ID: CVE-2017-9310
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

Qemu emulator built with the e1000e NIC emulation support is vulnerable to an infinite loop issue. It could occur while processing data via transmit or receive descriptors, provided the initial receive/transmit descriptor head(TDH/RDH) is set outside the allocated descriptor buffer. A privileged user inside guest could use this flaw to crash the Qemu instance resulting in DoS.

How to mitigate CVE-2017-9310

Update to version 2.9.0-r2.

Sources