Tracker / CVE-2021-3715
CVE-2021-3715
High 7.8
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected products and versions
| linux | linux_kernel · 3.18 → 4.4.218 |
|---|---|
| linux | linux_kernel · 4.10 → 4.14.175 |
| linux | linux_kernel · 4.15 → 4.19.114 |
| linux | linux_kernel · 4.20 → 5.4.29 |
| linux | linux_kernel · 4.5 → 4.9.218 |
| linux | linux_kernel · 5.5.0 → 5.5.14 |
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.