Tracker / CVE-2021-47048
CVE-2021-47048
High 7.8
In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to store op->addr.val and op->cmd.opcode to fix this issue.
Affected products and versions
| linux | linux_kernel · 5.10 → 5.10.37 |
|---|---|
| linux | linux_kernel · 5.11 → 5.11.21 |
| linux | linux_kernel · 5.12 → 5.12.4 |
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.