What is CVE-2026-20591 and how does it affect the GPU subsystem?
CVE-2026-20591 is a critical security vulnerability affecting the GPU pdma component, carrying a CVSS base score of 8.4 according to official reports detalles técnicos de Rust.
The security flaw stems from a missing permission check within the subsystem, which can be leveraged locally by an attacker without requiring any extra execution privileges or user interaction escalada de privilegios local.
Where can we find official references and technical tracking details?
This vulnerability is tracked under Issue ID MSV-9546 and is associated with CWE-416 regarding memory safety and improper permission management vulnerabilidad crítica CVSS 8.4.
Official documentation and tracking are available directly through NIST NVD metadata and the CVE repository entry for complete auditing purposes.
How can I protect my systems against this vulnerability?
Protecting affected environments requires immediate application of the official vendor remediation steps provided in the security advisory.
Review the bulletin published at MediaTek security updates to ensure patch ID ALPS11365075 is properly integrated into your deployment.
- Identify devices running the vulnerable GPU pdma driver version.
- Consult the official MediaTek security bulletin for November 2026.
- Apply patch ID ALPS11365075 to resolve the missing permission check.
- Reboot the affected environment to finalize driver updates.