CVE-2022-50761
Unknown Unknown - Not Provided

Memory Leak in Linux Kernel x86/xen Component Fixed

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_init_lock_cpu() In xen_init_lock_cpu(), the @name has allocated new string by kasprintf(), if bind_ipi_to_irqhandler() fails, it should be freed, otherwise may lead to a memory leak issue, fix it.

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Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50761
EUVD
EUVD-2022-55800

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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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 x86/xen code, specifically in the function xen_init_lock_cpu(). When the function kasprintf() allocates a new string for @name and the subsequent call to bind_ipi_to_irqhandler() fails, the allocated string is not freed, leading to a memory leak.

Impact Analysis

The impact of this vulnerability is a memory leak in the Linux kernel, which could lead to increased memory usage over time and potentially degrade system performance or stability if the leak is significant and occurs repeatedly.

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