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Vulnerability · Published Oct 4, 2025 · Assigned by Linux

CVE-2023-53574wifi: rtw88: delete timer and free skb queue when unloading

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.1%top 96.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.190-1DEBIAN-CVE-2023-53574
Debian:13linux6.5.6-1DEBIAN-CVE-2023-53574
Debian:14linux6.5.6-1DEBIAN-CVE-2023-53574
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53574
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53574
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-53574

Affected products (as reported)

VendorProductVersions
Linux Linux e3037485c68ec1a299ff41160d8fedbd4abc29b9 – before 60ee0f6fea7ba5681ebf7d70b8ebe592227188a4e3037485c68ec1a299ff41160d8fedbd4abc29b9 – before 4128b00a6006870e117ab1841e58f369e9284ecbe3037485c68ec1a299ff41160d8fedbd4abc29b9 – before 634fcbcaa4062db39aeb5ac6ed1bc1feb8dd5216
Linux Linux 5.2

References