Bug 2348262 (CVE-2022-49370)

Summary: CVE-2022-49370 kernel: firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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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 03:23:16 UTC 
In the Linux kernel, the following vulnerability has been resolved:

firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle

kobject_init_and_add() takes reference even when it fails.
According to the doc of kobject_init_and_add()

   If this function returns an error, kobject_put() must be called to
   properly clean up the memory associated with the object.

Fix this issue by calling kobject_put().
Comment 1 Avinash Hanwate 2025-02-26 12:49:17 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022645-CVE-2022-49370-05fc@gregkh/T
Comment 4 Avinash Hanwate 2025-02-26 17:03:48 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022645-CVE-2022-49370-05fc@gregkh/T