CVE-2022-50402

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

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536	Patch
https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406	Patch
https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f	Patch
https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed	Patch
https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b	Patch
https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d	Patch
https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-09-18 16:15

Updated : 2026-01-14 20:15

NVD link : CVE-2022-50402

Mitre link : CVE-2022-50402

CVE.ORG link : CVE-2022-50402

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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