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Vulnerability · Published Oct 15, 2025 · Assigned by Linux

CVE-2025-39968i40e: add max boundary check for VF filters

High 7.3

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 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.1%top 95.8% 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: i40e: add max boundary check for VF filters There is no check for max filters that VF can request. Add it.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.158-1DEBIAN-CVE-2025-39968
Debian:12linux6.1.158-1DSA-6053-1
Debian:13linux6.12.57-1DEBIAN-CVE-2025-39968
Debian:14linux6.16.10-1DEBIAN-CVE-2025-39968
Ubuntu:22.04:LTSlinux5.15.0-170.180USN-8033-1
Ubuntu:22.04:LTSlinux5.15.0-170.180UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux6.8.0-106.106UBUNTU-CVE-2025-39968
Ubuntu:25.10linux6.17.0-6.6UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws5.15.0-1100.107UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws5.15.0-1100.107USN-8033-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1050.53UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-aws6.17.0-1003.3UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1050.53~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure5.15.0-1109.118USN-8163-2
Ubuntu:22.04:LTSlinux-azure5.15.0-1109.118UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure6.8.0-1051.57UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-azure6.17.0-1006.6UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1051.57~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1109.118.1UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-fde6.8.0-1058.65UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-azure-fde-6.86.8.0-1058.65~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gcp5.15.0-1100.109USN-8033-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1100.109UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-gcp6.8.0-1052.55UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-gcp6.17.0-1003.3UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1052.55~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gke5.15.0-1096.102USN-8033-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1096.102UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-gke6.8.0-1048.53UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1083.91UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1083.91USN-8033-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1035.38UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-ibm5.15.0-1094.97USN-8033-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1094.97UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-ibm6.8.0-1049.49UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1049.49~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1095.101USN-8033-8
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1095.101UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-kvm5.15.0-1092.97USN-8033-5
Ubuntu:22.04:LTSlinux-kvm5.15.0-1092.97UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-170.180UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-170.180USN-8033-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-106.106.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-106.106.1~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1095.96USN-8033-6
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1095.96UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1049.52UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1049.52~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1049.52.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1052.52UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1052.52USN-8034-1
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1020.20UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1041.41UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1041.41USN-8034-2
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oracle5.15.0-1097.103UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oracle5.15.0-1097.103USN-8033-5
Ubuntu:24.04:LTSlinux-oracle6.8.0-1047.48UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-oracle6.17.0-1003.3UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1047.48~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-raspi5.15.0-1097.100USN-8141-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1097.100UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-raspi6.8.0-1050.54UBUNTU-CVE-2025-39968
Ubuntu:25.10linux-raspi6.17.0-1004.4UBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-39968
Ubuntu:25.10linux-realtime6.17.0-1002.3UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-39968
Ubuntu:25.10linux-riscv6.17.0-6.6.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-106.106~22.04.1UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-39968
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1028.29UBUNTU-CVE-2025-39968
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1064.68USN-8033-7
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1064.68UBUNTU-CVE-2025-39968

Affected products (as reported)

VendorProductVersions
Linux Linux e284fc280473bed23f2e1ed324e102a48f7d17e1 – before 9176e18681cb0d34c5acc87bda224f5652af2ab8e284fc280473bed23f2e1ed324e102a48f7d17e1 – before e490d8c5a54e0dd1ab22417d72c3a7319cf0f030e284fc280473bed23f2e1ed324e102a48f7d17e1 – before 77a35be582dff4c80442ebcdce24d45eed8a6ce4e284fc280473bed23f2e1ed324e102a48f7d17e1 – before 02aae5fcdd34c3a55a243d80a1b328a35852a35ce284fc280473bed23f2e1ed324e102a48f7d17e1 – before edecce7abd7152b48e279b4fa0a883d1839bb577e284fc280473bed23f2e1ed324e102a48f7d17e1 – before d33e5d6631ac4fddda235a7815babc9d3f124299e284fc280473bed23f2e1ed324e102a48f7d17e1 – before 8b13df5aa877b9e4541e301a58a84c42d84d2d9ae284fc280473bed23f2e1ed324e102a48f7d17e1 – before cb79fa7118c150c3c76a327894bb2eb878c02619
Linux Linux 4.17

References