CVE-2024-21971

Windows crash via unvalidated system process ID

Published Feb 12, 2025 · Updated Sep 23, 2025

Improper input validation in AMD Crash Defender allows local users to crash Windows by supplying a system process ID to its kernel driver. The kernel-mode driver fails to reject a caller-supplied Windows system process ID, and processing that identifier crashes the operating system. Local low-privileged access is required; successful exploitation interrupts the host without reported confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in AMD Crash Defender allows local users to crash Windows by supplying a system process ID to its kernel driver. The kernel-mode driver fails to reject a caller-supplied Windows system process ID, and processing that identifier crashes the operating system. Local low-privileged access is required; successful exploitation interrupts the host without reported confidentiality or integrity impact.

The record

CVE
CVE-2024-21971
Published
Feb 12, 2025
Updated
Sep 23, 2025
Vendor
Advanced Micro Devices, Inc.
Product
AMD Ryzen™ 7000 Series Desktop Processors
Classifications
CWE-1220, T1529
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Advanced Micro Devices, Inc. · AMD Ryzen™ 7000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon™ PRO W7000 Series Graphics ProductsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon™ PRO W5000 Series Graphics ProductsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphicsversion=AMD Software: PRO Edition 24.Q2 (23.19.16.01)
Advanced Micro Devices, Inc. · AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon™ RX 5000 Series Graphics ProductsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Embedded R2000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen Embedded V3000 SeriesAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7045 Series Mobile ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon RX 7000 Series Graphics ProductsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen Embedded V2000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon VIIAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Radeon™ PRO VIIAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7040 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen Embedded 7000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Embedded V1000 SeriesAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen 7030 Series Processors with Radeon GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7020 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 8000 Series Processor with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Embedded R1000 SeriesAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.

Published CVSS scores

5.5Advanced Micro Devices, Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1220Insufficient Granularity of Access Control
T1529System Shutdown/Reboot

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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