Tracker / CVE-2021-47137
CVE-2021-47137
Critical 9.8
In the Linux kernel, the following vulnerability has been resolved: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 4.20 → 5.4.124 |
| linux | linux_kernel · 5.11 → 5.12.9 |
| linux | linux_kernel · 5.5 → 5.10.42 |
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.