CVE-2023-53170 Details
Description
In the Linux kernel, the following vulnerability has been resolved: net: dsa: Removed unneeded of_node_put in felix_parse_ports_node Remove unnecessary of_node_put from the continue path to prevent child node from being released twice, which could avoid resource leak or other unexpected issues.
A vulnerability has been addressed in the Linux kernel's stable branch, specifically within the DSA (Distributed Switch Architecture) Felix driver. The issue involved an unnecessary reference count decrement of a child node, which could lead to the node being released twice. This double release could cause a resource leak or other unforeseen problems. The vulnerability was present in the 'felix_parse_ports_node' function of the 'drivers/net/dsa/ocelot/felix.c' file.
Users can upgrade to the latest version of the Linux kernel to address this vulnerability. The patched version can be downloaded from the Linux kernel stable tree.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/04499f28b40bfc24f20b0e2331008bb90a54a6cf | kernel.org | Patch |
| https://git.kernel.org/stable/c/7ead10b44b79ce8bfcd51e749d54e009de5f511a | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-Other | Weakness Not in a Standard CWE Category | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.3, < 6.4.5 6.5 rc1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 4, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | kernel.org |
| Dec 3, 2025 | Initial Analysis | [email protected] |
| Sep 15, 2025 | New CVE Received | kernel.org |