Infinite loop in QEMU - CVE-2018-20216

 

Infinite loop in QEMU - CVE-2018-20216

Published: December 24, 2018


Vulnerability identifier: #VU16677
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20216
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c when return values are not checked (and -1 is mishandled).. A remote attacker can cause the service to crash.


How to mitigate CVE-2018-20216

Install update from vendor's website.

Sources