CVE-2022-50192

HIGH

Linux Kernel 5.15-5.15.60, 5.16-5.18.17, 5.19.0-5.19.1 - Use-After-Free in Tegra20 Slink SPI Controller

Title source: llm

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 (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/415b4ce61308f24583912d887772dfcbf97f1d20

Patch

https://git.kernel.org/stable/c/800c7767e05d29656713e04532823a752e57e037

Patch

https://git.kernel.org/stable/c/67f77172644260482fdafc03b6025847944701e5

Patch

https://git.kernel.org/stable/c/7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0

Scores

CVSS v3 7.8

EPSS 0.0021

EPSS Percentile 10.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-416

Status published

Products (14)

linux/Kernel 5.15.0 - 5.15.61linux

linux/Kernel 5.16.0 - 5.18.18linux

linux/Kernel 5.19.0 - 5.19.2linux

Linux/Linux < 5.15

Linux/Linux 26c863418221344b1cfb8e6c11116b2b81144281 - 415b4ce61308f24583912d887772dfcbf97f1d20

Linux/Linux 26c863418221344b1cfb8e6c11116b2b81144281 - 67f77172644260482fdafc03b6025847944701e5

Linux/Linux 26c863418221344b1cfb8e6c11116b2b81144281 - 7e9984d183bb1e99e766c5c2b950ff21f7f7b6c0

Linux/Linux 26c863418221344b1cfb8e6c11116b2b81144281 - 800c7767e05d29656713e04532823a752e57e037

Linux/Linux 5.15

Linux/Linux 5.15.61 - 5.15.*

... and 4 more

Published Jun 18, 2025

Tracked Since Feb 18, 2026