In the Linux kernel through 5.13.7, an unprivileged BPF...
Moderate severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Jan 30, 2023
Description
Published by the National Vulnerability Database
Aug 2, 2021
Published to the GitHub Advisory Database
May 24, 2022
Last updated
Jan 30, 2023
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.
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