CVE-2022-50349
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: misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() If device_register() returns error in tifm_7xx1_switch_media(), name of kobject which is allocated in dev_set_name() called in device_add() is leaked. Never directly free @dev after calling device_register(), even if it returned an error! Always use put_device() to give up the reference initialized.
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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
2026-06-15
NVD
CVE-2022-50349
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 2.6.22 (inc) to 4.9.337 (exc)
linux linux_kernel From 4.10 (inc) to 4.14.303 (exc)
linux linux_kernel From 4.15 (inc) to 4.19.270 (exc)
linux linux_kernel From 4.20 (inc) to 5.4.229 (exc)
linux linux_kernel From 5.5 (inc) to 5.10.163 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.86 (exc)
linux linux_kernel From 5.16 (inc) to 6.0.16 (exc)
linux linux_kernel From 6.1 (inc) to 6.1.2 (exc)
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 possible memory leak in the Linux kernel's tifm driver, specifically in the tifm_7xx1_switch_media() function. If device_register() returns an error, the name of a kobject allocated during device_add() is leaked because the device is not properly freed. The correct procedure is to use put_device() to release the reference instead of directly freeing the device.

Impact Analysis

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

Mitigation Strategies

To mitigate this vulnerability, ensure that the Linux kernel is updated to a version where the fix for the memory leak in tifm_7xx1_switch_media() is applied. Avoid directly freeing the device after calling device_register(), and instead use put_device() to properly release the reference. Applying the official kernel patch or update that addresses this issue is recommended.

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