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

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

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:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Linux
  • Linux Kernel
References
Link Providers
https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536 cve-icon cve-icon
https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406 cve-icon cve-icon
https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f cve-icon cve-icon
https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed cve-icon cve-icon
https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b cve-icon cve-icon
https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d cve-icon cve-icon
https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025091852-CVE-2022-50402-4c96@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50402 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50402 cve-icon
History

Wed, 14 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 11 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Fri, 19 Sep 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Fri, 19 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Thu, 18 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
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
Title drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-01-14T19:13:07.931Z

Reserved: 2025-09-17T14:53:06.999Z

Link: CVE-2022-50402

cve-icon Vulnrichment

Updated: 2026-01-14T19:06:49.191Z

cve-icon NVD

Status : Modified

Published: 2025-09-18T16:15:43.257

Modified: 2026-01-14T20:15:52.617

Link: CVE-2022-50402

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-18T00:00:00Z

Links: CVE-2022-50402 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-09-19T09:35:42Z