CVE-2024-21949: Improper validation of user input in the NPU driver could allow an attacker to provide a buffer with unexpecte

Q: How do I fix CVE-2024-21949?

ryzen ai software: upgrade to 1.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-21949 being exploited?

CVE-2024-21949 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-21949 affect?

CVE-2024-21949 affects ryzen ai software. Severity is medium (CVSS 5.5). 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.

Q: How urgent is CVE-2024-21949?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2024-21949 is a medium-severity flaw (CVSS 5.5) affecting ryzen ai software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-20
Published	2024-11-12
Last modified	2026-06-17

Publisher (CNA): Advanced Micro Devices Inc. · Vendor: amd

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-12 18:15 UTCPublished CVE record published
2026-06-17 07:10 UTCUpdated Record last modified

amd ryzen ai software UPGRADE

Affected: < 1.2

Fixed in: 1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ryzen-ai-software || rpm -q ryzen-ai-software || ryzen-ai-software --version

2. UPGRADE to 1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ryzen-ai-software

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ryzen-ai-software

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-21949?

ryzen ai software: upgrade to 1.2. Exact commands for each OS are on this page.

Is CVE-2024-21949 being exploited?

CVE-2024-21949 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-21949 affect?

CVE-2024-21949 affects ryzen ai software. Severity is medium (CVSS 5.5). 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.

How urgent is CVE-2024-21949?

Priority 22/100. No elevated risk signals yet.

Software pages

AMD vulnerabilities

Related CVEs

CVE-2024-21975 HIGH 8.8 UPGRADE Improper input validation in the NPU driver could allow an attacker to supply a specially crafted pointer pote
CVE-2024-21974 HIGH 8.8 UPGRADE Improper input validation in the NPU driver could allow an attacker to supply a specially crafted pointer pote

References

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