Linux Kernel up to 5.18.2 of_parse_phandle 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 5.18.2. It has been classified as critical. The impacted element is the function of_parse_phandle. The manipulation leads to reference count. This vulnerability is traded as CVE-2022-49415. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.18.2. This issue affects the function of_parse_phandle. The manipulation with an unknown input leads to a reference count vulnerability. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2022-49415 since 02/26/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 250149 (Linux Distros Unpatched Vulnerability : CVE-2022-49415), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.18.3 eliminates this vulnerability. Applying the patch f22068357acc268148bd55ce77f0a3e5c86701b4/a508e33956b538e034ed5df619a73ec7c15bda72 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 (250149) and CERT Bund (WID-SEC-2025-2107). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Google Container-Optimized OS
  • 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 Secure Connect Gateway
  • IBM QRadar SIEM
  • Dell NetWorker

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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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: 250149
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-49415

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.18.3
Patch: f22068357acc268148bd55ce77f0a3e5c86701b4/a508e33956b538e034ed5df619a73ec7c15bda72

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
02/16/2026 +355 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49415 (🔍)
GCVE (CVE): GCVE-0-2022-49415
GCVE (VulDB): GCVE-100-297029
CERT Bund: WID-SEC-2025-2107 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 02/26/2025 09:48
Updated: 02/16/2026 07:56
Changes: 02/26/2025 09:48 (58), 08/17/2025 10:46 (2), 09/23/2025 02:56 (11), 11/28/2025 07:07 (7), 01/12/2026 03:18 (1), 02/09/2026 06:32 (1), 02/16/2026 07:56 (1)
Complete: 🔍
Cache ID: 216::103

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