CVE-2022-50192 — spi: tegra20-slink: fix UAF in tegra_slink_remove()
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 …
Published: 2025-06-18 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7