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Vulnerability · Published Oct 4, 2025 · Assigned by Linux

CVE-2023-53546net/mlx5: DR, fix memory leak in mlx5dr_cmd_create_reformat_ctx

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 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 94.8% 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: net/mlx5: DR, fix memory leak in mlx5dr_cmd_create_reformat_ctx when mlx5_cmd_exec failed in mlx5dr_cmd_create_reformat_ctx, the memory pointed by 'in' is not released, which will cause memory leak. Move memory release after mlx5_cmd_exec.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.52-1DEBIAN-CVE-2023-53546
Debian:13linux6.4.11-1DEBIAN-CVE-2023-53546
Debian:14linux6.4.11-1DEBIAN-CVE-2023-53546
Ubuntu:22.04:LTSlinux5.15.0-88.98UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-aws5.15.0-1049.54UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure5.15.0-1051.59UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1051.59.1UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gcp5.15.0-1046.54UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gke5.15.0-1046.51UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1032.38UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-ibm5.15.0-1042.45UBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1045.51UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-kvm5.15.0-1046.51UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-88.98UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1040.40UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1019.19UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1006.6UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oracle5.15.0-1047.53UBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-raspi5.15.0-1042.45UBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53546
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53546
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-53546

Affected products (as reported)

VendorProductVersions
Linux Linux 1d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 800d8c96bf997da5eb76ccf8d88795c4231c83fb1d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 165159854757dbae0dfd1812b27051da35aa62231d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 00cecb0a8f9e7a21754d5ad85813ab6b47b3308f1d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 3169c3854397f3070a63b1b772db16dcb8cba7b41d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 622d71d99124e69f7bf2e2b7a89f5f444a24d2351d9186476e12c85dc81a0f01f5c614a9683af7f2 – before 5dd77585dd9d0e03dd1bceb95f0269a7eaf6b936
Linux Linux 5.4

References