What is CVE-2024-21949?

CVE-2024-21949 is a medium-severity vulnerability in AMD Ryzen™ Ai Software, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2024-11-12.

How severe is CVE-2024-21949?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in AMD Ryzen™ Ai Software

CVE-2024-21949

Improper validation of user input in the NPU driver could allow an attacker to provide a buffer with unexpected size, potentially leading to system crash.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2024-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

AMD Ryzen™ Ai Software — versions 0
AMD Ryzen Ai Software

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.amd.com/en/resources/product-security/bulletin/amd-sb-7017.html (Vendor Advisory)

Frequently asked questions

What is CVE-2024-21949?: CVE-2024-21949 is a medium-severity vulnerability in AMD Ryzen™ Ai Software, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2024-11-12.
How severe is CVE-2024-21949?: Medium severity. CVSS v3 base score is 5.5 out of 10.