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169
VMScore

CVE-2021-26318

Published: 13/10/2021 Updated: 20/10/2021
CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1
VMScore: 169
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N
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Vulnerability Summary

A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.

Vulnerability Trend

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amd athlon_firmware -

amd athlon_pro_firmware -

amd epyc_firmware -

amd ryzen_firmware -

amd ryzen_pro_firmware -

References

CWE-203https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1017https://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
Recommendations:
encryptionCVE-2024-4331CVE-2024-26925arbitrary codeCVE-2006-4304CVE-2024-25458CVE-2024-27077reflected XSSCVE-2024-4059
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