PT-2026-7586 · Amd · Amd Secure Processor

Published 2026-02-11 · Updated 2026-03-05 · CVE-2023-20548

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions AMD Secure Processor (ASP) (affected versions not specified)

Description A Time-of-check time-of-use (TOCTOU) race condition exists in the AMD Secure Processor (ASP). This condition could allow an attacker to corrupt memory, potentially leading to a loss of integrity, confidentiality, or availability. A TOCTOU race condition occurs when a system checks a condition, and then, before acting on that condition, the condition changes.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2023-20548

Affected Products

Amd Secure Processor

References · 7

• https://osv.dev/vulnerability/CVE-2023-20548 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20548 · Security Note
• https://amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2021657114804904102 · Twitter Post
• https://t.me/CVEtracker/44414 · Telegram Post
• https://twitter.com/CVEnew/status/2021608554851975412 · Twitter Post
• https://t.me/cveNotify/154357 · Telegram Post