CVE-2025-38366

HIGH

Linux Kernel 6.13-6.15.4 - Unauthenticated Denial of Service via Invalid CPU Number

Title source: llm

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.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6

Patch

https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae

Scores

CVSS v3 7.8

EPSS 0.0014

EPSS Percentile 4.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published

Products (9)

linux/Kernel 6.13.0 - 6.15.5linux

Linux/Linux < 6.13

Linux/Linux 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 - a3293b4078ee93174f70f36d3ab7618554ce6ab6

Linux/Linux 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 - cc8d5b209e09d3b52bca1ffe00045876842d96ae

Linux/Linux 6.13

Linux/Linux 6.15.5 - 6.15.*

Linux/Linux 6.16

linux/linux_kernel 6.16 rc1 (3 CPE variants)

linux/linux_kernel 6.13 - 6.15.5

Published Jul 25, 2025

Tracked Since Feb 18, 2026