Vulnerability CVE-2021-26318


Published: 2021-10-13

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.

Type:

CWE-203

(Information Exposure Through Discrepancy)

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1017

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