CVE-2024-21949 | BDVDB-2026-254615 Detail

AMDAMD Ryzen™ AI Software

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.

Weaknesses#

CWE-20 Improper Input Validation

References#

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7017.html

Exploit#

No public exploit known

History#

Version 12024-11-12Record published in the CVE List.
Version 22024-11-14Most recent update recorded in the CVE List.

Published

Published: 2024-11-12
Last modified: 2024-11-14

Vendor information

Vendor: AMD
Product: AMD Ryzen™ AI Software

All AMD vulnerabilities

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 12.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.2
Fixed
1.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).