Bug 2395333 (CVE-2023-53180)

Summary: CVE-2023-53180 kernel: wifi: ath12k: Avoid NULL pointer access during management transmit cleanup
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-09-15 15:08:01 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: ath12k: Avoid NULL pointer access during management transmit cleanup

Currently 'ar' reference is not added in skb_cb.
Though this is generally not used during transmit completion
callbacks, on interface removal the remaining idr cleanup callback
uses the ar pointer from skb_cb from management txmgmt_idr. Hence fill them
during transmit call for proper usage to avoid NULL pointer dereference.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Comment 1 Jon Moroney 2025-09-15 21:24:52 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091556-CVE-2023-53180-5e16@gregkh/T