PT-2024-10902 · Amd · Amd Epyc 7001 Processors

Cfir Cohen + 2 · Published 2024-08-13 · Updated 2024-12-12 · CVE-2021-26344

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions AMD EPYC 7001 Processors (affected versions not specified)

Description An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access to modify the BIOS image and potentially modify the APCB block, resulting in arbitrary code execution. This issue affects the AMD EPYC 7001 Processors.

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

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-26344

Affected Products

Amd Epyc 7001 Processors

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2021-26344 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26344 · Vendor Advisory
• https://amd.com/en/resources/product-security/bulletin/amd-sb-3003.html · Vendor Advisory
• https://t.me/cvenotify/104099 · Telegram Post
• https://twitter.com/PorsilapongoCl/status/1823409392147992985 · Twitter Post
• https://twitter.com/oktsec/status/1824962964950028456 · Twitter Post
• https://twitter.com/cracbot/status/1825050100273734115 · Twitter Post
• https://twitter.com/CVEnew/status/1823407771842154937 · Twitter Post
• https://t.me/cvenotify/90437 · Telegram Post