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Vulnerability · Published Jun 18, 2025 · Assigned by Linux

CVE-2022-50001netfilter: nft_tproxy: restrict to prerouting hook

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

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 90.8% 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: netfilter: nft_tproxy: restrict to prerouting hook TPROXY is only allowed from prerouting, but nft_tproxy doesn't check this. This fixes a crash (null dereference) when using tproxy from e.g. output.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.2-1DEBIAN-CVE-2022-50001
Debian:13linux6.0.2-1DEBIAN-CVE-2022-50001
Debian:14linux6.0.2-1DEBIAN-CVE-2022-50001
Ubuntu:22.04:LTSlinux5.15.0-72.79UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-aws5.15.0-1036.40UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure5.15.0-1038.45UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1038.45.1UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gcp5.15.0-1034.42UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gke5.15.0-1033.38UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1020.25UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-ibm5.15.0-1030.33UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1030.35UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-kvm5.15.0-1033.38UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-72.79UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1025.25UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oracle5.15.0-1035.41UBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-raspi5.15.0-1029.31UBUNTU-CVE-2022-50001
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50001
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50001
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50001
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50001

Affected products (as reported)

VendorProductVersions
Linux Linux 4ed8eb6570a49931c705512060acd50058d61616 – before 0b21edf4cc13516716848e0a4fdf726aa2a62cd94ed8eb6570a49931c705512060acd50058d61616 – before 83ef55c4281f1b4c6bd4457c2e96ccd1c9e802004ed8eb6570a49931c705512060acd50058d61616 – before eaba3f9b672c3a3f820da8ee9584b9520674eafa4ed8eb6570a49931c705512060acd50058d61616 – before 9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f74ed8eb6570a49931c705512060acd50058d61616 – before 343fed6b0daeb528ae5c9d4d84d9ff763ac956194ed8eb6570a49931c705512060acd50058d61616 – before 18bbc3213383a82b05383827f4b1b882e3f0a5a5
Linux Linux 4.19

References