CVE-2023-53318
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-16

Last updated on: 2025-12-01

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: recordmcount: Fix memory leaks in the uwrite function Common realloc mistake: 'file_append' nulled but not freed upon failure
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Meta Information
Published
2025-09-16
Last Modified
2025-12-01
Generated
2026-06-16
AI Q&A
2025-09-16
EPSS Evaluated
2026-06-14
NVD
CVE-2023-53318
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
linux linux_kernel to 4.14.316 (exc)
linux linux_kernel From 4.15 (inc) to 4.19.284 (exc)
linux linux_kernel From 4.20 (inc) to 5.4.244 (exc)
linux linux_kernel From 5.5 (inc) to 5.10.181 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.113 (exc)
linux linux_kernel From 5.16 (inc) to 6.1.30 (exc)
linux linux_kernel From 6.2 (inc) to 6.3.4 (exc)
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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 recordmcount component, specifically in the uwrite function. It occurs due to a common realloc mistake where the 'file_append' pointer is nulled but not freed upon failure, leading to memory not being properly released.

Impact Analysis

The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing resource exhaustion on affected Linux systems.

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