Bug 2347659 (CVE-2022-49442)

Summary: CVE-2022-49442 kernel: drivers/base/node.c: fix compaction sysfs file leak
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 03:02:13 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drivers/base/node.c: fix compaction sysfs file leak

Compaction sysfs file is created via compaction_register_node in
register_node.  But we forgot to remove it in unregister_node.  Thus
compaction sysfs file is leaked.  Using compaction_unregister_node to fix
this issue.
Comment 1 Mauro Matteo Cascella 2025-02-26 11:53:58 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022657-CVE-2022-49442-ae21@gregkh/T