Unrated severityNVD Advisory· Published Oct 13, 2021· Updated Sep 16, 2024
Side-channels Related to the x86 PREFETCH Instruction
CVE-2021-26318
Description
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.
Affected products
2- AMD/All supported processorsv5Range: unspecified
Patches
Vulnerability mechanics
References
1- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1017mitrex_refsource_MISC
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