HomeAmdCVE-2023-20548

CVE-2023-20548

HIGH
7.1CVSS
Published: 2026-02-11
Updated: 2026-03-05
AI Analysis

Description

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

CVSS Metrics

Vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
local
Complexity
high
Privileges
low
User Action
none
Confidentiality
undefined
Integrity
undefined
Availability
undefined
Weaknesses
CWE-367

Metadata

Primary Vendor
AMD
Published
2/11/2026
Last Modified
3/5/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

amd : rocmamd : radeon_softwareamd : radeon_softwareamd : radeon_vii_firmwareamd : radeon_pro_vii_firmware

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