CVE-2025-21687

High

Open

TLP:CLEAR

vfio/platform: check the bounds of read/write syscalls

NVD CVE.org

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Description

In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, only offset is capped to 40 bits, which can be used to read/write out of bounds of the device.

Details

CVSS Score: 7.8
EPSS Score ⓘ: 0.23%

13.7th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Feb 10, 2025
Last Modified: Aug 5, 2026

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