CVE-2023-20575 — Observable Discrepancy in AMD 1ST GEN AMD Epyc Processors

CWE-203 — Observable Discrepancy5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 36.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
AMD 1ST GEN AMD Epyc ProcessorsAMD 2ND GEN AMD Epyc ProcessorsAMD 3RD GEN AMD Epyc Processors+1 more
Timeline
PublishedJul 11

Description

A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to monitor a program’s execution inside an AMD SEV VM potentially resulting in a leak of sensitive information.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

🔴Vulnerability Details

2
GHSA
GHSA-mg79-3wxp-f4x4: A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to mo↗2023-07-11
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CVEList
CVE-2023-20575: A potential power side-channel vulnerability in some AMD processors may allow an authenticated attacker to use the power reporting functionality to mo↗2023-07-11
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📋Vendor Advisories

1
Red Hat
hw: amd: SEV VM Power Side Channel Security Notice↗2023-07-11
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💬Community

1
Bugzilla
CVE-2023-20575 hw: amd: SEV VM Power Side Channel Security Notice↗2023-06-27
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CVE-2023-20575 — Observable Discrepancy in AMD | cvebase