CVE-2026-53030
Received Received - Intake
Memory Leak in Linux Kernel I3C Driver

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers() The xfer structure allocated by renesas_i3c_alloc_xfer() was never freed in the renesas_i3c_i3c_xfers() function. Use the __free(kfree) cleanup attribute to automatically free the memory when the variable goes out of scope.
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Meta Information
Published
2026-06-24
Last Modified
2026-06-24
Generated
2026-06-25
AI Q&A
2026-06-24
EPSS Evaluated
N/A
NVD
CVE-2026-53030
EUVD
EUVD-2026-38898
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
renesas i3c *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a memory leak in the Linux kernel's i3c master driver for Renesas devices. Specifically, the xfer structure allocated by the function renesas_i3c_alloc_xfer() was not freed in the renesas_i3c_i3c_xfers() function, causing allocated memory to remain unreleased.

The issue was fixed by using the __free(kfree) cleanup attribute, which automatically frees the allocated memory when the variable goes out of scope.

Impact Analysis

A memory leak can lead to increased memory usage over time, potentially causing system instability or degraded performance if the leaked memory accumulates significantly.

In embedded or resource-constrained environments using the affected i3c master driver, this could result in reduced reliability or unexpected behavior.

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