kernel dos

  1. CVE-2026-46220 AMDGPU Linux: Fix BUG_ON Kernel Panic in SDMA 4.0

    On May 28, 2026, kernel.org assigned CVE-2026-46220 to an AMDGPU flaw in the Linux kernel’s SDMA 4.0 fence-emission path, where crafted unprivileged command submissions could hit BUG_ON() assertions and panic the system. The patch is small, but the lesson is not. This is not the story of an...
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  2. CVE-2025-50172 DirectX Kernel DoS: Unbounded Resource Allocation

    Microsoft has published an advisory for CVE-2025-50172: a vulnerability in the DirectX Graphics Kernel that permits authorized attackers to cause a denial‑of‑service (DoS) by allocating graphics resources without limits or throttling, potentially disrupting hosts and virtualized workloads that...
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    • cve-2025-50172 denial of service directx directx kernel dxgkrnl.sys endpoint security gpu gpu virtualization graphics kernel hyper-v kernel dos mitigation msrc patch management rdp resource exhaustion security advisory threat analysis vdi windows security
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    • Forum: Security Alerts