PT-2024-10904 · Amd · Asp Kernel

Published 2024-08-13 · Updated 2024-10-30 · CVE-2021-26387

Positive Technologies (AI Summary)

CVSS v3.1

3.9

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions ASP kernel (affected versions not specified)

Description Insufficient access controls in the ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

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

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-26387

Affected Products

Asp Kernel

References · 7

• https://amd.com/en/resources/product-security/bulletin/amd-sb-3003.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26387 · Security Note
• https://twitter.com/PorsilapongoCl/status/1823409388276568149 · Twitter Post
• https://amd.com/en/resources/product-security/bulletin/amd-sb-5002.html · Note
• https://t.me/cvenotify/100059 · Telegram Post
• https://t.me/cvenotify/90439 · Telegram Post
• https://twitter.com/CVEnew/status/1823407769661145544 · Twitter Post