What’s Vulnerable › Vulnerabilities

CVE-2025-40188: pwm: berlin: Fix wrong register in suspend/resume

• Severity: unknown
• 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: 2025-11-12 · updated 2026-10-19

Description

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 products

• Linux kernel: 4.9 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3a4b9d027e4061766f618292df91760ea64a1fcc
• https://git.kernel.org/stable/c/5419c86ea134b8a5b8126f55fa5bc1ad7b3ca444
• https://git.kernel.org/stable/c/6cef9e4425143b19742044c8a675335821fa1994
• https://git.kernel.org/stable/c/9ee5eb3d09217f115f63b7c102d110ccdb1b26af
• https://git.kernel.org/stable/c/d9457e6258750692c3b27f80880a613178053c25
• https://git.kernel.org/stable/c/da3cadb8b0f35d845b3e2fbb7d978cf6473fd221
• https://git.kernel.org/stable/c/dc3a1c6237e7f8046e6d4109bcf1998452ccafad
• https://git.kernel.org/stable/c/fd017aabd4273216ed4223f17991fc087163771f

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