A Use‑After‑Free (UAF) vulnerability in the AMD Ryzen™ Master Utility Driver could allow a local attacker to access kernel memory, potentially resulting in loss of availability
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-9020.html
Published: 2026-08-11
Updated: 2026-08-12
Base Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:C
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 5.6
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00114