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Vulnerability · Published Oct 4, 2025 · Assigned by Linux

CVE-2023-53544cpufreq: davinci: Fix clk use after free

High 7.8

In plain English

A high-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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 94.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clks and only then calls cpufreq_unregister_driver(). If one of the cpufreq callbacks is called just before cpufreq_unregister_driver() is run, the freed clks might be used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.20-1DEBIAN-CVE-2023-53544
Debian:13linux6.1.20-1DEBIAN-CVE-2023-53544
Debian:14linux6.1.20-1DEBIAN-CVE-2023-53544
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53544
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53544
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-53544

Affected products (as reported)

VendorProductVersions
Linux Linux 6601b8030de3e9c29930684eeac15302a59f991a – before 66b3bbe6fbd8dd410868e5b53ac3944a934b93106601b8030de3e9c29930684eeac15302a59f991a – before a5f024d0e6f91e05c816ad4ee8837173369dd5cb6601b8030de3e9c29930684eeac15302a59f991a – before ab05ae4ab831f64bbc427592c86f599ed9c4324f6601b8030de3e9c29930684eeac15302a59f991a – before 5d8f384a9b4fc50f6a18405f1c08e5a87a77b5b3
Linux Linux 2.6.33

References