CVE-2022-50402

medium

Description

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference

References

https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1

https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d

https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b

https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed

https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f

https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406

https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536

Details

Source: Mitre, NVD

Published: 2025-09-18

Updated: 2025-09-19

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