Tracker / CVE-2021-20321
CVE-2021-20321
Medium 4.7
A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.
Affected products and versions
| debian | debian_linux |
|---|---|
| linux | linux_kernel |
| linux | linux_kernel · … → 5.15 |
| redhat | enterprise_linux |
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.