Improper isolation of GPU HW register space could allow a privileged attacker in malicious Guest Virtual Machine (VM) to perform unauthorized access to specific victim range of GPU MMIO register space, potentially causing the host OS to reboot and creating a Denial of Service (DOS) condition.
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html
Published: 2026-05-15
Updated: 2026-05-15
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Severity: Medium
Base Score: 6.8
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00017