CVE-2026-46201
Memory Leak in Linux Kernel DRM/xe Subsystem
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: kernel.org
Description
Description
CVSS 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 is a resource leak in the Linux kernel's drm/xe component related to dma-buf attachments. Specifically, when the function xe_dma_buf_init_obj() fails, it does not properly detach the attachment created by dma_buf_dynamic_attach(), leading to a dma-buf attachment leak. The fix involves adding a call to dma_buf_detach() before returning the error to prevent this leak.
What immediate steps should I take to mitigate this vulnerability?
The vulnerability has been resolved in the Linux kernel by fixing a dma-buf attachment leak in the drm/xe component. To mitigate this vulnerability, you should update your Linux kernel to a version that includes the fix for this issue.
Specifically, ensure your kernel includes the patch that adds dma_buf_detach() before returning an error in xe_dma_buf_init_obj(), preventing the attachment leak.
How can this vulnerability impact me? :
This vulnerability can cause a resource leak in the Linux kernel, which may lead to increased memory usage or resource exhaustion over time. While it does not directly indicate a security breach such as privilege escalation or data corruption, the leak could degrade system performance or stability if exploited repeatedly.