What is CVE-2025-38366?

CVE-2025-38366 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-07-25.

How severe is CVE-2025-38366?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2025-38366

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.

EPSS: 0.001 (4.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00, 6.13, 0
Linux Linux_kernel — versions 6.16

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-38366?: CVE-2025-38366 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-07-25.
How severe is CVE-2025-38366?: High severity. CVSS v3 base score is 7.8 out of 10.