CVE-2023-53682
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-02-26

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (xgene) Fix ioremap and memremap leak Smatch reports: drivers/hwmon/xgene-hwmon.c:757 xgene_hwmon_probe() warn: 'ctx->pcc_comm_addr' from ioremap() not released on line: 757. This is because in drivers/hwmon/xgene-hwmon.c:701 xgene_hwmon_probe(), ioremap and memremap is not released, which may cause a leak. To fix this, ioremap and memremap is modified to devm_ioremap and devm_memremap. [groeck: Fixed formatting and subject]
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Meta Information
Published
2025-10-07
Last Modified
2026-02-26
Generated
2026-06-16
AI Q&A
2025-10-07
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53682
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.3
linux linux_kernel From 6.2 (inc) to 6.2.12 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
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Executive Summary

This vulnerability is a memory leak in the Linux kernel's xgene hardware monitoring driver. Specifically, the functions ioremap and memremap are called but their allocated memory is not properly released, which can cause a resource leak. The issue was fixed by changing these calls to devm_ioremap and devm_memremap, which manage the memory automatically and prevent the leak.

Impact Analysis

The memory leak caused by this vulnerability can lead to inefficient use of system resources, potentially degrading system performance or stability over time if the leak accumulates. However, there is no indication that this vulnerability leads to direct security breaches such as privilege escalation or data exposure.

Mitigation Strategies

The vulnerability is fixed by modifying the Linux kernel driver code to use devm_ioremap and devm_memremap instead of ioremap and memremap, which prevents the memory leak. To mitigate this vulnerability, you should update your Linux kernel to a version that includes this fix.

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