CVE-2026-23081
Reference Count Leakage in Linux Kernel intel-xway PHY Component
Publication date: 2026-02-04
Last updated on: 2026-03-18
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 | 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 6.13 (inc) to 6.18.8 (exc) |
| linux | linux_kernel | 6.19 |
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 reference count leakage issue in the Linux kernel's intel-xway PHY driver. Specifically, when checking if the 'leds' child node exists in the device tree, the code failed to properly manage the reference count of the OF (Open Firmware) node. This was fixed by adding a call to of_put_node() to correctly maintain the reference count and prevent leakage.
How can this vulnerability impact me? :
Reference count leakage in kernel code can lead to resource leaks, which may cause increased memory usage or instability in the system over time. While this specific issue relates to the intel-xway PHY driver, it could potentially degrade system performance or reliability if left unpatched.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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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?
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