CVE-2022-50353

medium

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: wmt-sdmmc: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and goto error path which will call mmc_free_host(), besides, clk_disable_unprepare() also needs be called.

References

https://git.kernel.org/stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228

https://git.kernel.org/stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f

https://git.kernel.org/stable/c/c7a328cea791cc2769b6417943939420913b4a46

https://git.kernel.org/stable/c/b40ac3b696a9c84b36211ef0c3f5a422650c101b

https://git.kernel.org/stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a

https://git.kernel.org/stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009

https://git.kernel.org/stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67

https://git.kernel.org/stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c

Details

Source: Mitre, NVD

Published: 2025-09-17

Updated: 2025-09-18

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00024