PT-2022-8415 · Amd · Amd Epyc Processors

Mengyuan Li + 1 · Published 2022-02-04 · Updated 2022-10-26 · CVE-2020-12966

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue is related to an information disclosure vulnerability in the Secure Encrypted Virtualization with Encrypted State (SEV-ES) and Secure Encrypted Virtualization with Secure Nested Paging (SEV-SNP) of AMD EPYC Processors. A local authenticated attacker could potentially exploit this vulnerability, leading to the leaking of guest data by a malicious hypervisor.

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

CVE-2020-12966

Affected Products

Amd Epyc Processors

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-12966 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/amd-sb-1013 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-12966 · Vendor Advisory
• http://openwall.com/lists/oss-security/2022/08/08/6 · Note