Tracker / CVE-2021-47670
CVE-2021-47670
High 8.8
In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix use after free bugs After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the peak_usb_netif_rx_ni(). Reordering the lines solves the issue.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 4.0 → 4.19.171 |
| linux | linux_kernel · 4.20 → 5.4.93 |
| linux | linux_kernel · 5.5 → 5.10.11 |
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.