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amd gpu

About this tag
The amdgpu tag on WindowsForum.com covers Linux kernel security vulnerabilities and fixes in AMD's GPU driver (amdgpu). Recurring themes include use-after-free bugs in fence and DMA-BUF synchronization, kernel panics from SDMA command submissions, DSC validation flaws leading to memory leaks, and display stack issues in virtualized GPU environments. Discussions focus on CVEs such as CVE-2026-46220, CVE-2026-43298, CVE-2026-43318, CVE-2026-31566, CVE-2026-31488, CVE-2023-51042, CVE-2025-38098, and CVE-2025-38091. Content is relevant for Linux desktop users, workstation owners, administrators running AMD graphics, and those using WSL or dual-boot setups. The tag emphasizes that small driver bugs can have significant security and stability implications.
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    Linux 7.3 DRM Adds Connector Color Format Control for RGB and YUV

    Linux 7.3 is expected to add a new Direct Rendering Manager “color format” connector property later in 2026, with AMDGPU as the first kernel graphics driver wired up to let user space request RGB or YUV output formats. That sounds like a small plumbing change, and in one sense it is. But for...
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    • amd gpu drm color format linux 7.3 wayland compositors
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    • Forum: Windows News
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    Linux 7.2-rc1 Review: AMD HDMI 2.1, Intel Xe Platforms, Rust ZerroCopy & More

    Linus Torvalds released Linux 7.2-rc1 on Sunday, June 28, 2026, opening the public stabilization phase for the next mainline Linux kernel after two weeks of merge-window work following Linux 7.1. The release is not a finished kernel, and that distinction matters. What arrived this weekend is...
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    • amd gpu amdgpu display btrfs linux kernel ntfs compatibility rust in linux scheduler performance
    • Replies: 1
    • Forum: Windows News
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    CVE-2026-53313 AMD Linux Display NULL Dereference Crash: Patch & Lessons

    CVE-2026-53313 was published by NVD on June 26, 2026, for a Linux kernel AMD display driver flaw in dc_dmub_srv error handling, where diagnostic logging can dereference a NULL service pointer and crash systems using affected amdgpu display paths rather than gracefully returning. That sounds...
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    • amd display driver amd gpu cve security linux kernel
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    • Forum: Security Alerts
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    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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    • amd gpu cve 2026 kernel dos linux kernel security
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    • Forum: Security Alerts
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    CVE-2026-43298: AMDGPU VCN 2.5 VF Teardown Warning and Linux Kernel Fix

    CVE-2026-43298, published to the NVD on May 8, 2026, documents a Linux kernel amdgpu driver flaw in which AMDGPU’s VCN 2.5 virtual-function teardown path tried to release a poison interrupt that the VF never enabled. That sounds almost comically narrow, but it is exactly the kind of kernel...
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    • amd gpu cve 2026 gpu virtualization linux kernel
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    • Forum: Security Alerts
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    CVE-2026-43318: Linux amdgpu DMA-BUF Sync Bug Can Trigger GPU Page Faults

    On May 8, 2026, CVE-2026-43318 was published for a Linux kernel amdgpu driver bug in amdgpu_dma_buf_move_notify, where incorrect synchronization during DMA-BUF buffer movement could make an AMD GPU update page tables too early and trigger a likely GPU page fault. The vulnerability is not a...
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    • amd gpu cve-2026-43318 dma-buf synchronization linux kernel
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    • Forum: Security Alerts
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    CVE-2026-31566 AMDGPU Use-After-Free: Small Linux Fence Fix, Big Security Lesson

    CVE-2026-31566 is a small Linux kernel fix with a large lesson: in GPU drivers, object lifetime rules are not bookkeeping trivia but security boundaries. The flaw sits in the AMDGPU and AMDKFD integration path, where a fence returned from GPU job scheduling could be released before the code...
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    • amd gpu dma fence bug linux kernel security wsl2 and windows
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    • Forum: Security Alerts
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    CVE-2026-31488: amdgpu DSC validation bug can trigger stream leak and use-after-free

    CVE-2026-31488 is a reminder that in the Linux graphics stack, seemingly small state-machine mistakes can cascade into serious memory-safety failures. The flaw sits in amdgpu’s Display Core path, where DSC validation incorrectly clears the CRTC mode_changed flag even when other, unrelated mode...
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    • amd gpu cve-2026-31488 kms atomic commits linux kernel security
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    • Forum: Security Alerts
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    Linux Kernel CVE-2023-51042: AMDGPU Fence Use-After-Free Fixed in 6.4.12

    A recently disclosed Linux-kernel vulnerability, tracked as CVE-2023-51042, exposes a fence-related use‑after‑free in the AMD GPU driver (amdgpu) that was fixed upstream in the 6.4.12 stable release; the bug can crash affected kernels or otherwise deny availability to systems that accept...
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    • amd gpu cve 2023 51042 linux kernel use-after-free
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    • Forum: Security Alerts
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    CVE-2025-38098: Azure Linux Attestation vs Other Microsoft Artifacts

    Microsoft’s short, machine‑readable attestation that “Azure Linux includes this open‑source library and is therefore potentially affected” is accurate for Azure Linux builds — but it is a product‑scoped statement, not proof that no other Microsoft artifact includes the same vulnerable upstream...
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    • amd gpu azure linux msrc attestation vulnerability management
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    • Forum: Security Alerts
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    CVE-2025-38091: Linux AMD DRM DML21 NULL Plane ID Guard Fix

    A subtle missing check in the Linux kernel’s AMD DRM display code has been cataloged as CVE-2025-38091 and corrected upstream; the defect can produce kernel warnings and, in some circumstances, a local denial-of-service by allowing the display stack to hit an oops when querying a plane...
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    • amd gpu cve 2025 38091 drm display linux kernel
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    • Forum: Security Alerts
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    CVE-2024-26648: AMDGPU EDP Replay NULL Pointer Fix in Linux Kernel

    A subtle NULL‑check omission in the Linux kernel’s AMD GPU display code (drm/amd/display) — tracked as CVE‑2024‑26648 — has been fixed upstream after maintainers discovered that the function edp_setup_replay() dereferenced internal structures before verifying pointer validity, creating a...
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    • amd gpu display drivers linux kernel vulnerability
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    • Forum: Security Alerts
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    CVE-2025-37769: AMD SMU11 Division by Zero Crashes Linux Kernel

    A recently disclosed vulnerability in the Linux kernel’s AMD DRM power-management code — tracked as CVE-2025-37769 — allows a carefully crafted input to trigger a division-by-zero inside the SMU11 power-management path, causing kernel crashes and sustained denial-of-service on affected systems...
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    • amd gpu kernel patch linux kernel security vulnerability
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    • Forum: Security Alerts
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    CVE-2024-26913: Azure Linux Attestation and Microsoft Kernel Risk

    Microsoft’s brief product mapping for CVE‑2024‑26913 — the Linux kernel fix described as “drm/amd/display: Fix dcn35 8k30 Underflow/Corruption Issue” — is accurate for the artifact it covers, but it is not a blanket assurance that no other Microsoft product can include the same vulnerable...
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    • amd gpu azure linux cve 2024 26913 linux kernel
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    • Forum: Security Alerts
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