PT-2022-2953
CVE-2021-26401
·
Published
2022-02-28
·
Updated
2026-10-21
Description by
CVSS 4.0
5.7
MediumMetricsAV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions
AMD CPUs (affected versions not specified)
Description
The issue is related to the LFENCE/JMP module in AMD CPUs, specifically concerning the branch prediction mechanism. This allows an attacker to access protected memory from a program without the necessary privileges by exploiting indirect branch prediction.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
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