Tracker / CVE-2021-33034
CVE-2021-33034
High 7.8
In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.
Affected products and versions
| debian | debian_linux |
|---|---|
| fedoraproject | fedora |
| linux | linux_kernel · … → 4.4.269 |
| linux | linux_kernel · 4.10 → 4.14.233 |
| linux | linux_kernel · 4.15 → 4.19.191 |
| linux | linux_kernel · 4.20 → 5.4.119 |
| linux | linux_kernel · 4.5 → 4.9.269 |
| linux | linux_kernel · 5.11 → 5.11.21 |
| linux | linux_kernel · 5.12 → 5.12.4 |
| linux | linux_kernel · 5.5 → 5.10.37 |
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.