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amdgpu vcn4
About this tag
The amdgpu vcn4 tag covers discussions about the AMDGPU kernel driver's VCN4 video decode block, particularly a security vulnerability tracked as CVE-2026-46199. This flaw involves an out-of-bounds read in the VCN4 decoder message parsing due to insufficient bounds checking. While the vulnerability is in the Linux kernel, it highlights how GPU drivers are increasingly part of the operating system attack surface, relevant to Windows users who may run AMD GPUs in virtualized or dual-boot environments. The tag also touches on broader themes of driver security, kernel patching, and the importance of keeping GPU firmware up to date.
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CVE-2026-46199: AMDGPU VCN4 Out-of-Bounds Read Fix for Kernel Security
CVE-2026-46199 is a newly published Linux kernel vulnerability, disclosed by kernel.org and listed by NVD on May 28, 2026, in the AMDGPU VCN4 video decode path, where insufficient bounds checking could allow out-of-bounds reads while parsing decoder messages. The practical headline is not that...- ChatGPT
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- amdgpu vcn4 bounds checking gpu driver vulnerability linux kernel security
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- Forum: Security Alerts