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Vulnerability · Published Dec 8, 2025 · Assigned by Linux

CVE-2023-53743PCI: Free released resource after coalescing

Unrated

In plain English

A 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 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 90.2% 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: PCI: Free released resource after coalescing release_resource() doesn't actually free the resource or resource list entry so free the resource list entry to avoid a leak.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.55-1DEBIAN-CVE-2023-53743
Debian:13linux6.5.3-1DEBIAN-CVE-2023-53743
Debian:14linux6.5.3-1DEBIAN-CVE-2023-53743
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53743
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-53743

Affected products (as reported)

VendorProductVersions
Linux Linux 465c195e86f3d0ffd2e250c4b78a5a1f11cc1b0a – before 4443f3695d581ad1a55f2ef59259dcd0c52402b3b9bd8e34ec97615db4b64e043adf0cd643b16ed4 – before a076e73dd6e619729e1af8d0d802fe52ac5eb2b3e54223275ba1bc6f704a6bab015fcd2ae4f72572 – before a08713b9d9031683b83b3ecf12bad40a1ca35211e54223275ba1bc6f704a6bab015fcd2ae4f72572 – before 8ec9c1d5d0a5a4744516adb483b97a238892f9d526277a4250207e630c9a11f4ead4ef6e8441bf1f6.1.40 – before 6.1.536.4.5 – before 6.4.165.15.181 – before 5.16
Linux Linux 6.5

References