CVE-2025-40188
In the Linux kernel, the following vulnerability has been resolved: pwm: berlin: Fix wrong register in suspend/resume The 'enable' register should be BERLIN_PWM_EN rather than BERLIN_PWM_ENABLE, otherwise, the driver accesses wrong address, there will be cpu exception then kernel panic during suspend/resume.
Affected versions
Linux kernel versions
4.9
and later are affected. Fixed in
5.4.301,
5.10.246,
5.15.195,
6.1.157,
6.6.113,
6.12.54,
6.17.4,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40188 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/3a4b9d027e4061766f618292df91760ea64a1fcc
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PatchKernel patch commithttps://git.kernel.org/stable/c/5419c86ea134b8a5b8126f55fa5bc1ad7b3ca444
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PatchKernel patch commithttps://git.kernel.org/stable/c/6cef9e4425143b19742044c8a675335821fa1994
Frequently asked questions
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What is CVE-2025-40188?
CVE-2025-40188 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.9 onward and has been patched in 5.4.301, 5.10.246, 5.15.195 and others. CVE-2025-40188 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-40188?
Yes — CVE-2025-40188 has been patched. Fixed versions include 5.4.301, 5.10.246, 5.15.195 and others. If you are running Linux kernel 4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40188 actively exploited?
No — CVE-2025-40188 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.