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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (9.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (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.