Linux Kernel up to 6.0.2 for_each_available_child_of_node 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 described as critical has been identified in Linux Kernel up to 6.0.2. Affected by this vulnerability is the function for_each_available_child_of_node. Executing a manipulation can lead to reference count. This vulnerability is handled as CVE-2022-50641. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.2. It has been declared as critical. This vulnerability affects the function for_each_available_child_of_node. The manipulation with an unknown input leads to a reference count vulnerability. The CWE definition for the vulnerability is CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: HSI: omap_ssi: Fix refcount leak in ssi_probe When returning or breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the child node to possibly release the node.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-50641 since 12/09/2025. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 278324 (Linux Distros Unpatched Vulnerability : CVE-2022-50641), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.331, 4.14.296, 4.19.262, 5.4.220, 5.10.150, 5.15.75, 5.19.17 or 6.0.3 eliminates this vulnerability. Applying the patch 20fbaff6699ea5553c67550e867d6f90b7085447/18e199a5541aad6dc5cf51bc3f712247b2d17894/e8a218c17d7c5c42d5609ef92d339b47f3d11d02/aa9c0598b10960ad1198044da1e277a89b4e3af6/962f22e7f7698f7718d95bd9b63e41fb8cca01a9/691f23a8475f04c988f7e98066b084e996b40fa0/e25f56f8bdf66126a54b5a88bc021c82bfb50b75/0eff9ef67d91e350d2047c3e13b6c3b7d0c90bf4/9a2ea132df860177b33c9fd421b26c4e9a0a9396 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 (278324) and CERT Bund (WID-SEC-2025-2765). Once again VulDB remains the best source for vulnerability data.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

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

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: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 278324
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-50641

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.9.331/4.14.296/4.19.262/5.4.220/5.10.150/5.15.75/5.19.17/6.0.3
Patch: 20fbaff6699ea5553c67550e867d6f90b7085447/18e199a5541aad6dc5cf51bc3f712247b2d17894/e8a218c17d7c5c42d5609ef92d339b47f3d11d02/aa9c0598b10960ad1198044da1e277a89b4e3af6/962f22e7f7698f7718d95bd9b63e41fb8cca01a9/691f23a8475f04c988f7e98066b084e996b40fa0/e25f56f8bdf66126a54b5a88bc021c82bfb50b75/0eff9ef67d91e350d2047c3e13b6c3b7d0c90bf4/9a2ea132df860177b33c9fd421b26c4e9a0a9396

Timelineinfo

12/09/2025 Advisory disclosed
12/09/2025 +0 days CVE reserved
12/09/2025 +0 days VulDB entry created
03/28/2026 +109 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50641 (🔒)
GCVE (CVE): GCVE-0-2022-50641
GCVE (VulDB): GCVE-100-334906
CERT Bund: WID-SEC-2025-2765 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/09/2025 07:42
Updated: 03/28/2026 21:21
Changes: 12/09/2025 07:42 (58), 12/16/2025 07:09 (2), 03/28/2026 21:21 (7)
Complete: 🔍
Cache ID: 216:F6F:103

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