Linux Kernel up to 6.2.2 ARM of_find_compatible_node reference count

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.16

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.2.2. It has been rated as critical. This impacts the function of_find_compatible_node of the component ARM. The manipulation leads to reference count. This vulnerability is traded as CVE-2023-53818. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.2.2. It has been rated as critical. This issue affects the function of_find_compatible_node of the component ARM. 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: ARM: zynq: Fix refcount leak in zynq_early_slcr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on error path. Add missing of_node_put() to avoid refcount leak.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-53818 since 12/09/2025. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 278103 (Linux Distros Unpatched Vulnerability : CVE-2023-53818), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.308, 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16 or 6.2.3 eliminates this vulnerability. Applying the patch f00bc6727adf840eb208700ea27cda4f3742629d/351b7e93d02b50b2faae2d4bda28e16a8389cbb7/ede0334bf4df360f4f9446075cffbbb3bc54d0b6/227f8c1c5c4b3d131b66e57e58d38054f441b915/1cc12d10d13ae5ad8d3f7432a4c0156d221fc99b/e43a06c73be4b93d308f0df809ee0023b7c37b54/4c22ee805202087c2553c9175968e9e922d75bc1/9eedb910a3be0005b88c696a8552c0d4c9937cd4 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 (278103) and CERT Bund (WID-SEC-2025-2765). 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

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 278103
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53818

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.308/4.19.276/5.4.235/5.10.173/5.15.99/6.1.16/6.2.3
Patch: f00bc6727adf840eb208700ea27cda4f3742629d/351b7e93d02b50b2faae2d4bda28e16a8389cbb7/ede0334bf4df360f4f9446075cffbbb3bc54d0b6/227f8c1c5c4b3d131b66e57e58d38054f441b915/1cc12d10d13ae5ad8d3f7432a4c0156d221fc99b/e43a06c73be4b93d308f0df809ee0023b7c37b54/4c22ee805202087c2553c9175968e9e922d75bc1/9eedb910a3be0005b88c696a8552c0d4c9937cd4

Timelineinfo

12/09/2025 Advisory disclosed
12/09/2025 +0 days CVE reserved
12/09/2025 +0 days VulDB entry created
03/29/2026 +110 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53818 (🔒)
GCVE (CVE): GCVE-0-2023-53818
GCVE (VulDB): GCVE-100-335069
CERT Bund: WID-SEC-2025-2765 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/09/2025 11:21
Updated: 03/29/2026 18:23
Changes: 12/09/2025 11:21 (59), 12/11/2025 03:33 (2), 03/29/2026 18:23 (7)
Complete: 🔍
Cache ID: 216:16C:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!