CVE-2022-50640

mmc: core: Fix kernel panic when remove non-standard SDIO card

published December 9, 2025

CVSS
—
EPSS
0%
Percentile
10.7
In the wild
Unconfirmed
What it is

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().

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00210 · 10.7th percentile
Published
2025-12-09T00:00Z
EPSS history
Timeline
  • 09 DEC 00:00Z
    mmc: core: Fix kernel panic when remove non-standard SDIO card
    cvelistv5