CVE-2022-50640

Linux Kernel - Use-After-Free in SDIO Card Removal

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Fix kernel panic when remove non-standard SDIO card SDIO tuple is only allocated for standard SDIO card, especially it causes memory corruption issues when the non-standard SDIO card has removed, which is because the card device's reference counter does not increase for it at sdio_init_func(), but all SDIO card device reference counter gets decreased at sdio_release_func().

Scores

EPSS 0.0019
EPSS Percentile 8.6%

Details

Status published
Products (25)
linux/Kernel 2.6.36 - 4.9.332linux
linux/Kernel 4.10.0 - 4.14.298linux
linux/Kernel 4.15.0 - 4.19.264linux
linux/Kernel 4.20.0 - 5.4.223linux
linux/Kernel 5.11.0 - 5.15.77linux
linux/Kernel 5.16.0 - 6.0.7linux
linux/Kernel 5.5.0 - 5.10.153linux
Linux/Linux < 2.6.36
Linux/Linux 2.6.36
Linux/Linux 4.14.298 - 4.14.*
... and 15 more
Published Dec 09, 2025
Tracked Since Feb 18, 2026