CVE-2025-38366
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-25

Last updated on: 2025-11-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "num_cpu" from user space The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow.
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Meta Information
Published
2025-07-25
Last Modified
2025-11-18
Generated
2026-05-07
AI Q&A
2025-07-25
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38366
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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CWE ID Description
CWE-NVD-CWE-noinfo
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's LoongArch KVM involves a lack of proper validation for the "num_cpu" value received from user space. Without this validation, the system could experience an array pointer overflow related to the irqchip EIOINTC, which supports a maximum number of CPUs defined by EIOINTC_ROUTE_MAX_VCPUS. The fix adds validation to ensure the cpu number does not exceed this maximum, preventing potential overflow issues.


How can this vulnerability impact me? :

If exploited, this vulnerability could lead to an array pointer overflow in the kernel, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code with kernel privileges. This could compromise the security and reliability of systems running the affected Linux kernel on LoongArch architecture.


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