Bug 2347800 (CVE-2022-49284)

Summary: CVE-2022-49284 kernel: coresight: syscfg: Fix memleak on registration failure in cscfg_create_device
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:07:11 UTC
In the Linux kernel, the following vulnerability has been resolved:

coresight: syscfg: Fix memleak on registration failure in cscfg_create_device

device_register() calls device_initialize(),
according to doc of device_initialize:

    Use put_device() to give up your reference instead of freeing
    * @dev directly once you have called this function.

To prevent potential memleak, use put_device() for error handling.

Comment 1 Avinash Hanwate 2025-02-26 18:53:05 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022632-CVE-2022-49284-f545@gregkh/T