Linux Kernel up to 5.19.1 of_get_regulation_constraints reference count

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.19.1. It has been rated as critical. This vulnerability affects the function of_get_regulation_constraints. Performing a manipulation results in reference count. This vulnerability was named CVE-2022-50191. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.19.1. This affects the function of_get_regulation_constraints. The manipulation with an unknown input leads to a reference count vulnerability. CWE is classifying the issue as CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: regulator: of: Fix refcount leak bug in of_get_regulation_constraints() We should call the of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-50191 since 06/18/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 264665 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03204-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18 or 5.19.2 eliminates this vulnerability. Applying the patch a23098cc32860272dc6c3200ff20c34c65b7b694/b9ca8585c766616563cf3c062c6878f61f83cf00/35f9e861d9b9434903a8ede37a3561f78985826d/332e555dca074c4eb2084898021c3676423814c3/c9df8ff290097aabd5c9200f7f729b0813d37b19/11ecb4f8735b0230d54a82c18b21ea778b695d61/fc7b19f547bc9e622060a0a9a39da2330aa21c53/66efb665cd5ad69b27dca8571bf89fc6b9c628a4 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (264665) and CERT Bund (WID-SEC-2025-1350). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • Dell Avamar
  • Dell NetWorker
  • Dell Secure Connect Gateway
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 264665
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03204-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.291/4.19.256/5.4.211/5.10.137/5.15.61/5.18.18/5.19.2
Patch: a23098cc32860272dc6c3200ff20c34c65b7b694/b9ca8585c766616563cf3c062c6878f61f83cf00/35f9e861d9b9434903a8ede37a3561f78985826d/332e555dca074c4eb2084898021c3676423814c3/c9df8ff290097aabd5c9200f7f729b0813d37b19/11ecb4f8735b0230d54a82c18b21ea778b695d61/fc7b19f547bc9e622060a0a9a39da2330aa21c53/66efb665cd5ad69b27dca8571bf89fc6b9c628a4

Timelineinfo

06/18/2025 Advisory disclosed
06/18/2025 +0 days CVE reserved
06/18/2025 +0 days VulDB entry created
12/01/2025 +166 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50191 (🔒)
GCVE (CVE): GCVE-0-2022-50191
GCVE (VulDB): GCVE-100-313173
CERT Bund: WID-SEC-2025-1350 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 06/18/2025 15:42
Updated: 12/01/2025 08:15
Changes: 06/18/2025 15:42 (58), 09/13/2025 19:26 (2), 10/19/2025 23:43 (7), 11/19/2025 14:15 (11), 12/01/2025 08:15 (1)
Complete: 🔍
Cache ID: 216::103

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