Vulnerability Details CVE-2021-26318
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 32.2%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 1.9
References
Products affected by CVE-2021-26318
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cpe:2.3:h:amd:athlon:-
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cpe:2.3:h:amd:athlon_pro:-
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cpe:2.3:h:amd:epyc:-
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cpe:2.3:h:amd:ryzen:-
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cpe:2.3:h:amd:ryzen_pro:-
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cpe:2.3:o:amd:athlon_firmware:-
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cpe:2.3:o:amd:athlon_pro_firmware:-
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cpe:2.3:o:amd:epyc_firmware:-
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cpe:2.3:o:amd:ryzen_firmware:-
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cpe:2.3:o:amd:ryzen_pro_firmware:-