CVE-2025-68738
Null Pointer Dereference in Linux mt7996 WiFi Driver
Publication date: 2025-12-24
Last updated on: 2025-12-24
Assigner: kernel.org
Description
Description
CVSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | kernel | * |
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
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 mt7996 WiFi driver. Specifically, when a link does not have an assigned channel, the function mt7996_vif_link returns NULL, but the code still attempts to store updated queue settings, leading to a null pointer dereference. The fix involves moving the location of the queue parameters within the mt7996_vif_link structure to handle this case properly.
How can this vulnerability impact me? :
The null pointer dereference can cause the affected system to crash or become unstable, potentially leading to denial of service conditions in the WiFi functionality of the Linux kernel.