CVE-2025-68207
BaseFortify
Publication date: 2025-12-16
Last updated on: 2025-12-18
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 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel involves the drm/xe/guc component where a Dead CT worker is not properly synchronized with the device unbinding process. Specifically, the system fails to cancel and wait for any Dead CT worker to complete before continuing with device unbinding. As a result, the worker may attempt to use resources that have already been freed by the unbind operation, potentially causing instability or crashes.
How can this vulnerability impact me? :
The vulnerability can lead to system instability or crashes because the Dead CT worker might access resources that have been freed during device unbinding. This can cause unexpected behavior or failures in the system, potentially affecting the reliability of the Linux kernel and any dependent applications or services.
What immediate steps should I take to mitigate this vulnerability?
Apply the updated Linux kernel patch that includes the fix for synchronizing the Dead CT worker with device unbinding. This ensures that any Dead CT worker completes before unbinding continues, preventing use of freed resources.