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.

Related CPE's

o

amd

athlon_firmware

-

Vulnerable

h

amd

athlon

-

o

amd

athlon_pro_firmware

-

Vulnerable

h

amd

athlon_pro

-

o

amd

epyc_firmware

-

Vulnerable

h

amd

epyc

-

o

amd

ryzen_firmware

-

Vulnerable

h

amd

ryzen

-

o

amd

ryzen_pro_firmware

-

Vulnerable

h

amd

ryzen_pro

-

References

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

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-203

[email protected]

Secondary
CWE-208

CVSS impact metrics

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

4.7 · Medium

  • CVSS V3.1

  • CVSS V3.0

  • CVSS V2.0

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2021-10-13T19:15:07.360

3 years ago

Last modified

2021-10-20T18:29:12.263

3 years ago