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Vulnerability · Published Sep 18, 2025 · Assigned by Linux

CVE-2023-53424clk: mediatek: fix of_iomap memory leak

Medium 5.5

In plain English

A medium-severity memory leak 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 3.1)5.5Medium
Exploit odds (30 days)0.1%top 96.0% 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: clk: mediatek: fix of_iomap memory leak Smatch reports: drivers/clk/mediatek/clk-mtk.c:583 mtk_clk_simple_probe() warn: 'base' from of_iomap() not released on lines: 496. This problem was also found in linux-next. In mtk_clk_simple_probe(), base is not released when handling errors if clk_data is not existed, which may cause a leak. So free_base should be added here to release base.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.164-1DEBIAN-CVE-2023-53424
Debian:12linux6.1.164-1DSA-6163-1
Debian:13linux6.4.4-1DEBIAN-CVE-2023-53424
Debian:14linux6.4.4-1DEBIAN-CVE-2023-53424
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53424
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53424
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-53424

Affected products (as reported)

VendorProductVersions
Linux Linux c58cd0e40ffac67961b945793876b973728f9b80 – before 847d5dd788ce05f0aaaa36ea174f7f0b9cf86f7dc58cd0e40ffac67961b945793876b973728f9b80 – before 2cae6a28d8c12c597e8656962271520434c61c48c58cd0e40ffac67961b945793876b973728f9b80 – before 47234e19b00816a8a7b278c7173f6d4e928c43c7c58cd0e40ffac67961b945793876b973728f9b80 – before 3db7285e044144fd88a356f5b641b9cd4b231a77
Linux Linux 5.15

Weakness: CWE-401 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References