CVE-2022-50192 Information

Jun 19, 2025 cve

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.

Reference

https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20 https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5 https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0 https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037

CNNVD-202506-2480 (Published: 2025-06-18)

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