CVE-2025-38144
BaseFortify
Publication date: 2025-07-03
Last updated on: 2025-11-20
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a NULL pointer dereference in the Linux kernel's lenovo_se30_wdt driver. The function devm_ioremap() can return NULL on error, but lenovo_se30_wdt_probe() does not check for this case, which can lead to a NULL pointer dereference and potentially cause a system crash or instability. The fix adds a NULL check after devm_ioremap() to prevent this issue.
How can this vulnerability impact me? :
This vulnerability can cause a NULL pointer dereference in the Linux kernel, which may lead to system crashes or instability when the lenovo_se30_wdt driver is probed. This could result in denial of service or unexpected behavior on affected systems.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch or update to the Linux kernel version that includes the fix for the lenovo_se30_wdt driver, which adds a NULL check after devm_ioremap() to prevent NULL pointer dereference in lenovo_se30_wdt_probe().