CVE-2025-40224
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (cgbc-hwmon) Add missing NULL check after devm_kzalloc() The driver allocates memory for sensor data using devm_kzalloc(), but did not check if the allocation succeeded. In case of memory allocation failure, dereferencing the NULL pointer would lead to a kernel crash. Add a NULL pointer check and return -ENOMEM to handle allocation failure properly.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 4, 2025
First seenDec 4, 2025
How to fix
Update
- Linux Linux240b82b86a091c1aa49d951d4467425420a081a0, a09a5aa8bf258ddc99a22c30f17fe304b96b5350 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 08ebc9def79fc0c4dbb6ecc39263006e3f98b750 ≤ v < 240b82b86a091c1aa49d951d4467425420a081a0, 08ebc9def79fc0c4dbb6ecc39263006e3f98b750 ≤ v < a09a5aa8bf258ddc99a22c30f17fe304b96b5350, 6.15 | 240b82b86a091c1aa49d951d4467425420a081a0, a09a5aa8bf258ddc99a22c30f17fe304b96b5350 |
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