CVE-2025-40344
BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-09
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| intel | 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 involves a synchronization issue in the Linux kernel's Intel ASoC avs driver. Specifically, the avs_dai_fe_shutdown() function handles shutting down the HOST HDAudio stream, while period-elapsed work handles its IRQs. Because avs_dai_fe_shutdown() frees the DAI's private context, these two operations must be synchronized to prevent use-after-free errors or worse. The vulnerability arises if this synchronization is not properly handled.
How can this vulnerability impact me? :
If exploited, this vulnerability could lead to use-after-free errors in the kernel, potentially causing system crashes, instability, or allowing an attacker to execute arbitrary code with kernel privileges.