Bug 2426100 (CVE-2022-50863)

Summary: CVE-2022-50863 kernel: Kernel: Denial of Service via memory leak in wifi power saving mode
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: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in the Linux kernel's wifi driver. Under power saving mode, the driver fails to properly free unused socket buffers (skb), leading to a memory leak. A local attacker could exploit this vulnerability to cause a Denial of Service (DoS) by exhausting system memory.
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Description OSIDB Bzimport 2025-12-30 13:09:00 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: rtw89: free unused skb to prevent memory leak

This avoid potential memory leak under power saving mode.
Comment 1 Alexander B 2025-12-31 09:16:06 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123048-CVE-2022-50863-7f8b@gregkh/T