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VULNERABILITIES

CVE-2022-50820 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

In the Linux kernel, the following vulnerability has been resolved: perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init() dmc620_pmu_init() won't remove the callback added by cpuhp_setup_state_multi() when platform_driver_register() failed. Remove the callback by cpuhp_remove_multi_state() in fail path. Similar to the handling of arm_ccn_init() in commit 26242b330093 ("bus: arm-ccn: Prevent hotplug callback leak")

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778 kernel.orgSource CodeVendor
https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641 kernel.orgSource CodeVendor
https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50 kernel.orgSource CodeVendor
https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e kernel.orgSource CodeVendor

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

ProductVersions
Linux kernel
All versions

CPE

  • cpe:2.3:o:kernel:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:endpoint_security_linux_threat_prevention:*:*
  • cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

ARM DMC-620 PMU
All versions

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-50820
NVD Published Date:
Dec 30, 2025
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2022-50820 Details - Not Deferred