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CVE-2025-38381: Input: cs40l50-vibra - fix potential NULL dereference in cs40l50_upload_owt()

• 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: 2025-07-25 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: Input: cs40l50-vibra - fix potential NULL dereference in cs40l50_upload_owt() The cs40l50_upload_owt() function allocates memory via kmalloc() without checking for allocation failure, which could lead to a NULL pointer dereference. Return -ENOMEM in case allocation fails.

Affected products

• Linux kernel: from 6.11 before 6.12.37; from 6.13 before 6.15.6; 6.16-rc1, 6.16-rc2, 6.16-rc3, 6.16-rc4 — fixed in 6.12.37, 6.15.6

How to fix

Upgrade to a fixed version: Linux kernel 6.12.37, 6.15.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4cf65845fdd09d711fc7546d60c9abe010956922
• https://git.kernel.org/stable/c/e87fc697fa4be5164e47cfba4ddd4732499adc60
• https://git.kernel.org/stable/c/ea20568895c1122f15b6fc9e8d02c6cbe22964f8

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