Detections
Analytics
CVE-2022-50192
high
Description
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.
References
https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037
https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0
https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5
https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20