CVE-2023-53755
BaseFortify
Publication date: 2025-12-08
Last updated on: 2025-12-08
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 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 in the Linux kernel's dmaengine ptdma driver. It occurs because the function pt_issue_pending() incorrectly assumes there is always at least one descriptor in the Submitted queue. However, both the Submitted and Issued queues can be empty, which can cause the pt_cmd_callback() function to be called with a NULL pointer. This can lead to a system panic, especially on AMD systems during host shutdown after the PTDMA driver has been used.
How can this vulnerability impact me? :
The vulnerability can cause a system panic on affected AMD systems, typically during host shutdown after the PTDMA driver has been exercised. This can lead to unexpected system crashes or instability, potentially causing data loss or service interruption.