# CVE-2025-38041: clk: sunxi-ng: h616: Reparent GPU clock during frequency changes

CVE-2025-38041 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-38041, released June 18, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-38041
- Priority: High
- CVSS: 7.0 (medium)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 18, 2025
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38041

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.12.115-2 | [DEBIAN-CVE-2025-38041](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38041.md) | Jun 18, 2025 |
| Linux | linux Debian 14 | 6.16.3-1 | [DEBIAN-CVE-2025-38041](https://patchblox.com/security/data/fix/linux/debian-cve-2025-38041.md) | Jun 18, 2025 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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