In the Linux kernel, the following vulnerability has been resolved:
clk: sunxi-ng: h616: Reparent GPU clock during frequency changes
The H616 manual does not state that the GPU PLL supports
dynamic frequency configuration, so we must take extra care when changing
the frequency. Currently any attempt to do device DVFS on the GPU lead
to panfrost various ooops, and GPU hangs.
The manual describes the algorithm for changing the PLL
frequency, which the CPU PLL notifier code already support, so we reuse
that to reparent the GPU clock to GPU1 clock during frequency
changes.
Metrics
Affected Vendors & Products
References
History
Fri, 20 Jun 2025 23:15:00 +0000
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cvssV3_1
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Wed, 18 Jun 2025 09:45:00 +0000
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Description | In the Linux kernel, the following vulnerability has been resolved: clk: sunxi-ng: h616: Reparent GPU clock during frequency changes The H616 manual does not state that the GPU PLL supports dynamic frequency configuration, so we must take extra care when changing the frequency. Currently any attempt to do device DVFS on the GPU lead to panfrost various ooops, and GPU hangs. The manual describes the algorithm for changing the PLL frequency, which the CPU PLL notifier code already support, so we reuse that to reparent the GPU clock to GPU1 clock during frequency changes. | |
Title | clk: sunxi-ng: h616: Reparent GPU clock during frequency changes | |
References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-06-18T09:33:26.543Z
Reserved: 2025-04-16T04:51:23.978Z
Link: CVE-2025-38041

No data.

Status : Awaiting Analysis
Published: 2025-06-18T10:15:36.533
Modified: 2025-06-18T13:46:52.973
Link: CVE-2025-38041
