CVE-2021-46744

CWE-203CWE-668 — Exposure to Wrong Sphere3 documents3 sources
Severity
6.5MEDIUM
EPSS
0.1%
top 71.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
AMD AMD Processors
Timeline
PublishedMay 11
Latest updateMay 12

Description

An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NExploitability: 2.0 | Impact: 4.0

Affected Packages1 packages

▶CVEListV5amd/amd_processorsProcessor EPYC

🔴Vulnerability Details

2
GHSA
GHSA-4mvg-3c82-rv73: An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values ove↗2022-05-12
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CVEList
CVE-2021-46744: An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values ove↗2022-05-11
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