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cve-2026-43398

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CVE-2026-43398 is a Linux kernel vulnerability in the AMDGPU driver's user queue wait ioctl path, where oversized user-supplied values can trigger out-of-memory conditions. Disclosed by kernel.org and listed by NVD on May 8, 2026, the fix adds an upper bound check. The bug highlights that modern graphics drivers are privileged, memory-hungry subsystems critical for desktop responsiveness, GPU compute, virtualization, and cloud workloads. Discussions on WindowsForum.com cover the technical details, impact, and implications for systems using AMD GPUs, including potential risks for Windows users running Linux VMs or WSL.
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    CVE-2026-43398 AMDGPU Kernel Bug: OOM Risk From User Queue Wait ioctl

    CVE-2026-43398 is a newly published Linux kernel vulnerability, disclosed by kernel.org and listed by NVD on May 8, 2026, involving the AMDGPU driver’s user queue wait ioctl path, where oversized user-supplied values could trigger out-of-memory conditions. The fix is not glamorous: it adds an...
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    • amdgpu driver cve-2026-43398 linux kernel oom denial of service
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    • Forum: Security Alerts
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