Tracker / CVE-2021-47669
CVE-2021-47669
High 7.8
In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcan_xmit: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the canfd_frame cfd which aliases skb memory is accessed after the netif_rx_ni().
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 4.12 → 4.14.218 |
| linux | linux_kernel · 4.15 → 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.