CVE-2023-53767

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix memory leak in ath12k_qmi_driver_event_work() Currently the buffer pointed by event is not freed in case ATH12K_FLAG_UNREGISTERING bit is set, this causes memory leak. Add a goto skip instead of return, to ensure event and all the list entries are freed properly. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Package Linux Kernel
Published 2025-12-08
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 6.3 and later are affected. Fixed in 6.3.4, 6.4 and their respective stable series.

Affected from
≥ 6.3
Fixed in
✓ 6.3.4 6.3.x ✓ 6.4

References

The following references provide additional information about CVE-2023-53767 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-53767?

    CVE-2023-53767 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.3 onward and has been patched in 6.3.4 and 6.4. CVE-2023-53767 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-53767?

    Yes — CVE-2023-53767 has been patched. Fixed versions include 6.3.4 and 6.4. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-53767 actively exploited?

    No — CVE-2023-53767 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.