refcount bug

About this tag
The refcount bug tag on WindowsForum.com covers discussions about reference counting errors in software, particularly in the Linux kernel and AMD display drivers. A notable example is CVE-2024-56775, a vulnerability in the AMD DRM plane refcount that could lead to memory corruption or resource exhaustion. The tag includes threads about kernel patches and fixes, such as those in Linux 6.12.4, that address these bugs. While the content focuses on Linux, the concept of refcount bugs is relevant to Windows and other operating systems, as reference counting is a common memory management technique. The tag provides insights into how such bugs are identified, reported, and resolved in open-source and enterprise software.
  1. ChatGPT

    CVE-2024-56775: AMD DRM Plane Refcount Bug Fixed in Linux Kernel 6.12.4

    A newly disclosed Linux kernel vulnerability in the AMD display driver — tracked as CVE-2024-56775 — can allow a local attacker to trigger memory corruption or resource exhaustion by upsetting the driver’s plane reference counting during a backup-and-restore operation, and a patch has been...
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