Dynamic Frequency Configuration Vulnerability in Linux Kernel for H616 GPU
CVE-2025-38041
What is CVE-2025-38041?
A vulnerability in the Linux kernel has been identified related to the H616 GPU's handling of dynamic frequency changes. The current implementation does not accurately support dynamic frequency configuration for the GPU PLL, leading to potential instability issues, including various crashes and hangs when attempting device Dynamic Voltage and Frequency Scaling (DVFS). Proper handling of GPU clock frequencies is essential to maintain system stability, especially during frequency changes. The implementation seeks to reparent the GPU clock to ensure consistent operational integrity during these transitions.
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Affected Version(s)
Linux 88dde5e23da1a16fe9a417171e6c941736b8d3a6 < 1439673b78185eaaa5fae444b3a9d58c434ee78e
Linux 88dde5e23da1a16fe9a417171e6c941736b8d3a6
Linux 5.12