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Vulnerability · Published Oct 28, 2025 · Assigned by Linux

CVE-2025-40075tcp_metrics: use dst_dev_net_rcu()

High 8.1

In plain English

A high-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 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 57.6% 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: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2025-40075
Debian:13linux6.12.63-1DEBIAN-CVE-2025-40075
Debian:14linux6.17.6-1DEBIAN-CVE-2025-40075
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux6.17.0-14.14UBUNTU-CVE-2025-40075
Ubuntu:25.10linux6.17.0-14.14USN-8029-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-aws6.17.0-1007.7UBUNTU-CVE-2025-40075
Ubuntu:25.10linux-aws6.17.0-1007.7USN-8029-2
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-aws-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-azure6.17.0-1008.8UBUNTU-CVE-2025-40075
Ubuntu:25.10linux-azure6.17.0-1008.8USN-8029-3
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-gcp6.17.0-1007.7USN-8030-1
Ubuntu:25.10linux-gcp6.17.0-1007.7UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gcp-6.176.17.0-1008.8~24.04.1UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-nvidia-6.176.17.0-1008.8UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1035.38UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oem-6.176.17.0-1011.11UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-oracle6.17.0-1007.7USN-8029-2
Ubuntu:25.10linux-oracle6.17.0-1007.7UBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-oracle-6.176.17.0-1007.7~24.04.1UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-raspi6.17.0-1008.8UBUNTU-CVE-2025-40075
Ubuntu:25.10linux-raspi6.17.0-1008.8USN-8029-1
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-realtime6.17.0-1006.7USN-8029-1
Ubuntu:25.10linux-realtime6.17.0-1006.7UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-40075
Ubuntu:25.10linux-riscv6.17.0-14.14.1UBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2025-40075
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2025-40075
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2025-40075

Affected products (as reported)

VendorProductVersions
Linux Linux 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 – before 23261817e955ebeb91d7c5c667d09fa415eb88b44a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 – before 7012bea5622396b37566fbdc059f7c6a6c279d744a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 – before 4b89397807eb04986427c4786d065e9442834ad44a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 – before 07613a95326ebad2d1b88d883cd72546025a4f3e4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 – before 50c127a69cd6285300931853b352a1918cfa180f
Linux Linux 4.13

References