Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
Published: 2026-02-10
Updated: 2026-02-10
Base Score: 3.2
Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N
Severity: Low
Base Score: 6
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Severity: Medium
Base Score: 4.6
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
Severity: Medium
EPSS: 0.00012