PT-2022-3424 · Amd · Amd Processors

Danping Li + 1 · Published 2022-05-11 · Updated 2022-05-25 · CVE-2021-26400

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions AMD processors (affected versions not specified)

Description The issue is related to AMD processors speculatively re-ordering load instructions, which can result in stale data being observed when multiple processors are operating on shared memory. This can lead to potential data leakage. An attacker may exploit this issue to gain unauthorized access to protected information.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2022-04202

CVE-2021-26400

Affected Products

Amd Processors

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-26400 · Security Note
• https://bdu.fstec.ru/vul/2022-04202 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1035 · Vendor Advisory
• https://t.me/cibsecurity/42399 · Telegram Post
• https://t.me/cvenotify/30737 · Telegram Post