IT

Tracker / CVE-2022-50192

CVE-2022-50192

High 7.8

In the Linux kernel, the following vulnerability has been resolved: spi: tegra20-slink: fix UAF in tegra_slink_remove() After calling spi_unregister_master(), the refcount of master will be decrease to 0, and it will be freed in spi_controller_release(), the device data also will be freed, so it will lead a UAF when using 'tspi'. To fix this, get the master before unregister and put it when finish using it.

Affected products and versions

linux linux_kernel · 5.15 → 5.15.61
linux linux_kernel · 5.16 → 5.18.18
linux linux_kernel · 5.19 → 5.19.2

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.

References