Vulnerability · Published Oct 15, 2025 · Assigned by Linux
CVE-2025-39971i40e: fix idx validation in config queues msg
High 8.8
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 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 95.0% 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: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg().
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:10 | kernel-abi-stablelists | 6.12.0-124.16.1.el10_1 | ALSA-2025:22395 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:10 | kernel-doc | 6.12.0-124.16.1.el10_1 | ALSA-2025:22395 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.85.1.rt7.426.el8_10 | ALSA-2025:21920 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | perf | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.85.1.el8_10 | ALSA-2025:21917 |
| Debian:12 | linux | 6.1.158-1 | DEBIAN-CVE-2025-39971 |
| Debian:12 | linux | 6.1.158-1 | DSA-6053-1 |
| Debian:13 | linux | 6.12.57-1 | DEBIAN-CVE-2025-39971 |
| Debian:14 | linux | 6.16.10-1 | DEBIAN-CVE-2025-39971 |
| Rocky Linux:10 | kernel | 0:6.12.0-124.16.1.el10_1 | RLSA-2025:22395 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.85.1.el8_10 | RLSA-2025:21917 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.85.1.rt7.426.el8_10 | RLSA-2025:21920 |
| Ubuntu:22.04:LTS | linux | 5.15.0-170.180 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-170.180 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux | 6.8.0-106.106 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux | 6.17.0-6.6 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1100.107 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1100.107 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1050.53 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-aws | 6.17.0-1003.3 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1050.53~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1109.118 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1109.118 | USN-8163-2 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1051.57 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-azure | 6.17.0-1006.6 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1051.57~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1109.118.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1058.65 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1058.65~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1100.109 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1100.109 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1052.55 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-gcp | 6.17.0-1003.3 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1052.55~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1096.102 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1096.102 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1048.53 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1083.91 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1083.91 | USN-8033-1 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1035.38 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-106.106~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1094.97 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1094.97 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1049.49 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1049.49~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1095.101 | USN-8033-8 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1095.101 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1092.97 | USN-8033-5 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1092.97 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-170.180 | USN-8033-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-170.180 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-106.106.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-106.106.1~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1095.96 | USN-8033-6 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1095.96 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1049.52 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1049.52~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1049.52.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1052.52 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1052.52 | USN-8034-1 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1020.20 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1041.41 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1041.41 | USN-8034-2 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1097.103 | USN-8033-5 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1097.103 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1047.48 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-oracle | 6.17.0-1003.3 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1047.48~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1097.100 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1097.100 | USN-8141-1 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1050.54 | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-raspi | 6.17.0-1004.4 | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-realtime | 6.17.0-1002.3 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:25.10 | linux-riscv | 6.17.0-6.6.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-106.106~22.04.1 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-39971 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1028.29 | UBUNTU-CVE-2025-39971 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1064.68 | USN-8033-7 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1064.68 | UBUNTU-CVE-2025-39971 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before a6ff2af78343eceb0f77ab1a2fe802183bc21648c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before f5f91d164af22e7147130ef8bebbdb28d8ecc6e2c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before 1fa0aadade34481c567cdf4a897c0d4e4d548bd1c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before 8b9c7719b0987b1c6c5fc910599f3618a558dbdec27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before 2cc26dac0518d2fa9b67ec813ee60e183480f98ac27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before bfcc1dff429d4b99ba03e40ddacc68ea4be2b32bc27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before 5c1f96123113e0bdc6d8dc2b0830184c93da9f65c27eac48160de72dee33d42b5a33cc7b8a2eb1f5 – before f1ad24c5abe1eaef69158bac1405a74b3c365115 |
| Linux | Linux | 4.17 |
References
- https://git.kernel.org/stable/c/a6ff2af78343eceb0f77ab1a2fe802183bc21648
- https://git.kernel.org/stable/c/f5f91d164af22e7147130ef8bebbdb28d8ecc6e2
- https://git.kernel.org/stable/c/1fa0aadade34481c567cdf4a897c0d4e4d548bd1
- https://git.kernel.org/stable/c/8b9c7719b0987b1c6c5fc910599f3618a558dbde
- https://git.kernel.org/stable/c/2cc26dac0518d2fa9b67ec813ee60e183480f98a
- https://git.kernel.org/stable/c/bfcc1dff429d4b99ba03e40ddacc68ea4be2b32b
- https://git.kernel.org/stable/c/5c1f96123113e0bdc6d8dc2b0830184c93da9f65
- https://git.kernel.org/stable/c/f1ad24c5abe1eaef69158bac1405a74b3c365115