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CVE-2026-53019: clk: spacemit: ccu_mix: fix inverted condition in ccu_mix_trigger_fc()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-24 · updated 2026-07-15

Description

In the Linux kernel, the following vulnerability has been resolved: clk: spacemit: ccu_mix: fix inverted condition in ccu_mix_trigger_fc() Fix inverted condition that skips frequency change trigger, causing kernel panics during cpufreq scaling.

Affected products

• Linux kernel: from 6.16 before 6.18.33; from 6.19 before 7.0.10 — fixed in 6.18.33, 7.0.10

How to fix

Upgrade to a fixed version: Linux kernel 6.18.33, 7.0.10. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/16dfbc4e95c46dd9c79cb8d550c7f267d4a79b91
• https://git.kernel.org/stable/c/54e97360b44bed6b4399dd3be3d65f392df940fa
• https://git.kernel.org/stable/c/da99d0302d3ccccfb13c69e663bf8eae698b9562

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