Vulnerability Spotlight: NVIDIA driver memory corruption vulnerabilities discovered

Summary: Cisco Talos discovered two memory corruption vulnerabilities in the shader functionality of NVIDIA graphics drivers, tracked as TALOS-2022-1603 and TALOS-2022-1604 (both listed as CVE-2022-34671). An attacker can trigger them with a malicious shader file, and they could potentially be triggered from guest operating systems in virtualization environments such as VMware, qemu and VirtualBox, leading to guest-to-host escape.
Why it matters: A guest-to-host escape means a compromised virtual machine can reach the host underneath it, so the blast radius extends past a single workload to everything that host runs. Talos confirmed the flaw was exploitable in NVIDIA D3D10 Driver version 516.94 (31.0.15.1694), and an update is available.

Read the original at Cisco Talos ↗

Topics: Vulnerabilities & Patching
Mentions: CVE-2022-34671
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