Number: AV19-207
Date : 16 September 2019
On 16 September 2019 AMD released a security update to address an out-of-bounds memory write vulnerability affecting systems hosting VMWare virtual machines and using AMD Radeon graphics drivers. The vulnerability, tracked as CVE-2019-5049, affects the Radeon RX 550 and the 550 Series products using the AMD ATIDXX64.DLL driver, versions 25.20.15031.5004 and 25.20.15031.9002. An actor could exploit this vulnerability by supplying a malformed pixel shader inside the VMware guest operating system to the driver, potentially leading to arbitrary code execution on the host machine.
The Cyber Centre encourages users and administrators to review the AMD Product Security webpage and apply the necessary updates:
https://www.amd.com/en/corporate/product-security
Note to Readers
The Canadian Centre for Cyber Security (Cyber Centre) operates as part of the Communications Security Establishment. We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure, Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.