How severe is CVE-2024-21949?

CVE-2024-21949 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21949?

CVE-2024-21949 affects Amd Ryzen Ai Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21949 have an EU (EUVD) identifier?

Yes. CVE-2024-21949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19555.

When was CVE-2024-21949 published?

CVE-2024-21949 was published on 2024-11-12 and last updated on 2026-06-17.

CVE-2024-21949

CVE-2024-21949 is a medium-severity vulnerability in Amd Ryzen Ai Software with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19555
Weakness: CWE-20
Affected product: Amd Ryzen Ai Software
Published: 2024-11-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-21949?: CVE-2024-21949 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21949?: CVE-2024-21949 affects Amd Ryzen Ai Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21949 have an EU (EUVD) identifier?: Yes. CVE-2024-21949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19555.
When was CVE-2024-21949 published?: CVE-2024-21949 was published on 2024-11-12 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:amd:ryzen_ai_software:*:*:*:*:*:*:*:*

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