CVE-2022-50281
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-15

Last updated on: 2025-12-04

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: MIPS: SGI-IP27: Fix platform-device leak in bridge_platform_create() In error case in bridge_platform_create after calling platform_device_add()/platform_device_add_data()/ platform_device_add_resources(), release the failed 'pdev' or it will be leak, call platform_device_put() to fix this problem. Besides, 'pdev' is divided into 'pdev_wd' and 'pdev_bd', use platform_device_unregister() to release sgi_w1 resources when xtalk-bridge registration fails.
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Meta Information
Published
2025-09-15
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-09-15
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50281
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.5 (inc) to 5.10.150 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.75 (exc)
linux linux_kernel From 5.16 (inc) to 5.19.17 (exc)
linux linux_kernel From 6.0 (inc) to 6.0.3 (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 resource leak in the Linux kernel on the MIPS SGI-IP27 platform. Specifically, in the function bridge_platform_create(), if an error occurs after calling platform_device_add(), platform_device_add_data(), or platform_device_add_resources(), the platform device ('pdev') is not properly released, causing a leak. The fix involves calling platform_device_put() to release the failed 'pdev'. Additionally, 'pdev' is split into 'pdev_wd' and 'pdev_bd', and platform_device_unregister() is used to release sgi_w1 resources if xtalk-bridge registration fails.

Impact Analysis

This vulnerability can lead to resource leaks in the Linux kernel on affected platforms, which may cause increased memory usage or system instability over time if the leaked resources accumulate. It may affect system reliability and performance on the SGI-IP27 platform.

Mitigation Strategies

Apply the patch or update that fixes the platform-device leak in bridge_platform_create() in the Linux kernel, specifically ensuring that platform_device_put() is called to release failed 'pdev' devices and that platform_device_unregister() is used to release sgi_w1 resources when xtalk-bridge registration fails.

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