CVE-2025-40156
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-12

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe() The drv->sram_reg pointer could be set to ERR_PTR(-EPROBE_DEFER) which would lead to a error pointer dereference. Use IS_ERR_OR_NULL() to check that the pointer is valid.
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Meta Information
Published
2025-11-12
Last Modified
2025-11-12
Generated
2026-05-07
AI Q&A
2025-11-13
EPSS Evaluated
2026-05-05
NVD
CVE-2025-40156
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is in the Linux kernel's PM / devfreq subsystem, specifically in the mtk-cci driver. The issue is that the drv->sram_reg pointer could be set to an error pointer (ERR_PTR(-EPROBE_DEFER)) but was not properly checked before use, leading to a potential error pointer dereference. The fix involves using IS_ERR_OR_NULL() to ensure the pointer is valid before dereferencing it.


How can this vulnerability impact me? :

If exploited, this vulnerability could cause the Linux kernel to dereference an invalid error pointer, potentially leading to kernel crashes or instability. This could affect system reliability and availability.


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