cve 2025 21976

  1. Linux Hyper-V Framebuffer Fix: Safe Driver Teardown

    When a Linux virtual machine runs on Microsoft Hyper‑V, the hyperv_fb framebuffer driver provides the synthetic display surface that makes console output and early-boot graphics available to the host and guest; a recent kernel fix for CVE-2025-21976 changes how that driver tears down its...
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    • cve 2025 21976 framebuffer hyper-v linux kernel
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