CVE-2025-21456CWE-416

Use After Free in NPU

High · published August 6, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
0.4
In the wild
Unconfirmed
What it is

Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00089 · 0.4th percentile
Weakness
CWE-416 · Use After Free
Published
2025-08-06T07:25Z
EPSS history
Timeline
  • 06 AUG 07:25Z
    Use After Free in NPU
    cvelistv5