CVE-2021-26318CWE-208

Side-channels Related to the x86 PREFETCH Instruction

published October 13, 2021

CVSS
—
EPSS
0%
Percentile
24.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00327 · 24.6th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2021-10-13T18:29Z
EPSS history
Timeline
  • 13 OCT 18:29Z
    Side-channels Related to the x86 PREFETCH Instruction
    cvelistv5