Bug 2426259 (CVE-2022-50784)

Summary: CVE-2022-50784 kernel: wifi: fix potential NULL-ptr deref after clone
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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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 iwlwifi mei driver. When the driver attempts to clone a socket bufferand that operation fails, it may erroneously dereference a NULL pointer, leading to a kernel crash or denial of service. An unprivileged local user may be able to trigger this flaw by initiating conditions where skb cloning fails
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Description OSIDB Bzimport 2025-12-30 13:20:00 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone

If cloning the SKB fails, don't try to use it, but rather return
as if we should pass it.

Coverity CID: 1503456
Comment 1 Alexander B 2025-12-30 21:18:22 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123026-CVE-2022-50784-ee54@gregkh/T