CVE-2022-50402

Published: Sep 18, 2025Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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

Affected (6)

Products: Linux: Linux Kernel

1 product

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 3.5 to 4.19.270
Linux Linux Kernel	From 4.20 to 5.4.229
Linux Linux Kernel	From 5.11 to 5.15.86
Linux Linux Kernel	From 5.16 to 6.0.16
Linux Linux Kernel	From 5.5 to 5.10.163
Linux Linux Kernel	From 6.1 to 6.1.2

Related CWEs

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (7)

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

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