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prionPRIOn knowledge basePRION:CVE-2021-35477
HistoryAug 02, 2021 - 4:15 a.m.

Design/Logic Flaw

2021-08-0204:15:00
PRIOn knowledge base
www.prio-n.com
14

5.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

16.2%

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.