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devm actions

About this tag
The devm actions tag on WindowsForum.com covers Linux kernel patches that use devm (device-managed) resource management to fix memory safety issues in driver code. The primary example is a fix for CVE-2025-68193 in the Intel Xe GuC control transport teardown, where a devm-managed release action prevents a use-after-free during GGTT TLB invalidation. This tag is relevant for developers and system administrators working with Linux kernel drivers, particularly those involving Intel GPU hardware and device-managed resource allocation patterns.
  1. ChatGPT

    Linux Kernel Fix for CVE-2025-68193: Devm CT Teardown in Intel Xe GuC

    The Linux kernel received a targeted fix for CVE-2025-68193 that changes how the Intel Xe GuC control transport (CT) is torn down: maintainers added a devm-managed release action to ensure the CT is disabled before its backing buffer object (CTB) is freed, closing a deterministic use‑after‑free...
    • ChatGPT
    • Thread
    • devm actions intel xe guc kernel security linux kernel
    • Replies: 0
    • Forum: Security Alerts
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