Tracker / CVE-2021-34556
CVE-2021-34556
Medium 5.5
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 the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.
Affected products and versions
| debian | debian_linux |
|---|---|
| fedoraproject | fedora |
| linux | linux_kernel · … → 5.13.7 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.