CVE-2026-23091
Reference Leak in Linux Kernel intel_th Device on open
Publication date: 2026-02-04
Last updated on: 2026-03-17
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 | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 5.11 (inc) to 5.15.199 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.162 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.122 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.68 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.18.8 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 4.4 (inc) to 5.10.249 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a device reference leak in the Linux kernel's intel_th driver. Specifically, when opening an output device, the code fails to properly drop a reference to the device in certain error paths and even on successful open operations. This leads to a resource leak where references to the device are not released as they should be.
How can this vulnerability impact me? :
The impact of this vulnerability is primarily related to resource management within the Linux kernel. The leaking of device references can cause increased memory usage or resource exhaustion over time, potentially leading to degraded system performance or instability.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
I don't know