What is CVE-2023-53574?

CVE-2023-53574 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-10-04.

How severe is CVE-2023-53574?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2023-53574

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: delete timer and free skb queue when unloading Fix possible crash and memory leak on driver unload by deleting TX purge timer and freeing C2H queue in 'rtw_core_deinit()', shrink critical section in the latter by freeing COEX queue out of TX report lock scope.

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions e3037485c68ec1a299ff41160d8fedbd4abc29b9, 5.2, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2023-53574?: CVE-2023-53574 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-10-04.
How severe is CVE-2023-53574?: Medium severity. CVSS v3 base score is 5.5 out of 10.