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prionPRIOn knowledge basePRION:CVE-2020-10766
HistorySep 15, 2020 - 11:15 p.m.

Design/Logic Flaw

2020-09-1523:15:00
PRIOn knowledge base
www.prio-n.com
13

AI Score

5.8

Confidence

High

EPSS

0

Percentile

5.1%

A logic bug flaw was found in Linux kernel before 5.8-rc1 in the implementation of SSBD. A bug in the logic handling allows an attacker with a local account to disable SSBD protection during a context switch when additional speculative execution mitigations are in place. This issue was introduced when the per task/process conditional STIPB switching was added on top of the existing SSBD switching. The highest threat from this vulnerability is to confidentiality.