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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (3.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-38366: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Linux — versions 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00, 6.13, 0
  • Linux Kernel — versions 6.16

References

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.