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Vulnerability · Published Dec 9, 2025 · Assigned by Linux

CVE-2023-53818ARM: zynq: Fix refcount leak in zynq_early_slcr_init

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 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 90.7% 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: ARM: zynq: Fix refcount leak in zynq_early_slcr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on error path. Add missing of_node_put() to avoid refcount leak.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.20-1DEBIAN-CVE-2023-53818
Debian:13linux6.1.20-1DEBIAN-CVE-2023-53818
Debian:14linux6.1.20-1DEBIAN-CVE-2023-53818
Ubuntu:22.04:LTSlinux5.15.0-75.82UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-aws5.15.0-1038.43UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure5.15.0-1040.47UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1041.48.1UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gcp5.15.0-1036.44UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gke5.15.0-1036.41UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1022.27UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-ibm5.15.0-1032.35UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1033.38UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-kvm5.15.0-1035.40UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-75.82UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1027.27UBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1015.15UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oracle5.15.0-1037.43UBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-raspi5.15.0-1032.35UBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53818
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53818

Affected products (as reported)

VendorProductVersions
Linux Linux 3329659df0300d1d0aa22f5e7063f83a88ef92aa – before f00bc6727adf840eb208700ea27cda4f3742629d3329659df0300d1d0aa22f5e7063f83a88ef92aa – before 351b7e93d02b50b2faae2d4bda28e16a8389cbb73329659df0300d1d0aa22f5e7063f83a88ef92aa – before ede0334bf4df360f4f9446075cffbbb3bc54d0b63329659df0300d1d0aa22f5e7063f83a88ef92aa – before 227f8c1c5c4b3d131b66e57e58d38054f441b9153329659df0300d1d0aa22f5e7063f83a88ef92aa – before 1cc12d10d13ae5ad8d3f7432a4c0156d221fc99b3329659df0300d1d0aa22f5e7063f83a88ef92aa – before e43a06c73be4b93d308f0df809ee0023b7c37b543329659df0300d1d0aa22f5e7063f83a88ef92aa – before 4c22ee805202087c2553c9175968e9e922d75bc13329659df0300d1d0aa22f5e7063f83a88ef92aa – before 9eedb910a3be0005b88c696a8552c0d4c9937cd4
Linux Linux 4.0

References