Linux Kernel up to 6.0.2 clk of_find_matching_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, which was classified as critical, was found in Linux Kernel up to 6.0.2. Affected by this issue is the function of_find_matching_node of the component clk. The manipulation results in reference count. This vulnerability is known as CVE-2022-50458. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.2. It has been classified as critical. Affected is the function of_find_matching_node of the component clk. 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. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: clk: tegra: Fix refcount leak in tegra210_clock_init of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-50458 since 10/01/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 269620 (Linux Distros Unpatched Vulnerability : CVE-2022-50458), 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 a19360db83d29bd6b0de4ffad2c815d79246ba99/e715510adc20a4a07f157ece4e6d068e648a0383/ac010ec3484ba95c6ab3d946f9a83560005c13c6/6d3ac23b952f374017e1a5249d1f03bdbc7f9878/f487137a53b1a0692211f7ae82c0a7f87c30bdbe/417ed4432b1b40526b1cb50e535d46900505f6d9/1a6d97139b0a370a9d0809a00e91c41f5bcd3ef1/f38f34ba1e1029b927b81b9bf9d952f4ed4007bd/56c78cb1f00a9dde8cd762131ce8f4c5eb046fbb 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 (269620), EUVD (EUVD-2025-32834) and CERT Bund (WID-SEC-2025-2187). Once again VulDB remains the best source for vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Linux Kernel
  • Dell Secure Connect Gateway

Productinfo

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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: 269620
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-50458

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: a19360db83d29bd6b0de4ffad2c815d79246ba99/e715510adc20a4a07f157ece4e6d068e648a0383/ac010ec3484ba95c6ab3d946f9a83560005c13c6/6d3ac23b952f374017e1a5249d1f03bdbc7f9878/f487137a53b1a0692211f7ae82c0a7f87c30bdbe/417ed4432b1b40526b1cb50e535d46900505f6d9/1a6d97139b0a370a9d0809a00e91c41f5bcd3ef1/f38f34ba1e1029b927b81b9bf9d952f4ed4007bd/56c78cb1f00a9dde8cd762131ce8f4c5eb046fbb

Timelineinfo

10/01/2025 Advisory disclosed
10/01/2025 +0 days CVE reserved
10/01/2025 +0 days VulDB entry created
01/17/2026 +108 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50458 (🔒)
GCVE (CVE): GCVE-0-2022-50458
GCVE (VulDB): GCVE-100-326580
EUVD: 🔒
CERT Bund: WID-SEC-2025-2187 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/01/2025 15:01
Updated: 01/17/2026 22:11
Changes: 10/01/2025 15:01 (59), 10/12/2025 01:08 (2), 11/20/2025 05:44 (7), 01/17/2026 00:16 (10), 01/17/2026 22:11 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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