Tracker / CVE-2021-47485
CVE-2021-47485
High 7.8
In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 2.6.35 → 4.4.292 |
| linux | linux_kernel · 4.10 → 4.14.255 |
| linux | linux_kernel · 4.15 → 4.19.216 |
| linux | linux_kernel · 4.20 → 5.4.157 |
| linux | linux_kernel · 4.5 → 4.9.290 |
| linux | linux_kernel · 5.11 → 5.14.16 |
| linux | linux_kernel · 5.5 → 5.10.77 |
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.