What is CVE-2023-20519?

CVE-2023-20519 is a low-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Use After Free. CVSS score: 3.3/10. Published 2023-11-14.

How severe is CVE-2023-20519?

Low severity. CVSS v3 base score is 3.3 out of 10.

Use After Free in Amd 3rd Gen Epyc™ Processors

CVE-2023-20519

A Use-After-Free vulnerability in the management of an SNP guest context page may allow a malicious hypervisor to masquerade as the guest's migration agent resulting in a potential loss of guest integrity.

Vulnerability class: Use-After-Free

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Amd 3rd Gen Epyc™ Processors — versions various
Amd 4th Gen Epyc™ Processors — versions various
Amd Genoapi
Amd Genoapi_firmware
Amd Milanpi
Amd Milanpi_firmware

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@amd.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20519?: CVE-2023-20519 is a low-severity vulnerability in Amd 3rd Gen Epyc™ Processors, classified under Use After Free. CVSS score: 3.3/10. Published 2023-11-14.
How severe is CVE-2023-20519?: Low severity. CVSS v3 base score is 3.3 out of 10.