Vulnerability · Published Sep 19, 2025 · Assigned by Linux
CVE-2025-39853i40e: Fix potential invalid access when MAC list is empty
High 7.1
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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.2%top 94.0% 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 potential invalid access when MAC list is empty list_first_entry() never returns NULL - if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenced. Fix this by using list_first_entry_or_null instead of list_first_entry.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.153-1 | DEBIAN-CVE-2025-39853 |
| Debian:13 | linux | 6.12.48-1 | DEBIAN-CVE-2025-39853 |
| Debian:14 | linux | 6.16.6-1 | DEBIAN-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux | 5.15.0-163.173 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux | 6.8.0-106.106 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1097.104 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1050.53 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1050.53~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1101.110 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1051.57 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1051.57~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1102.111.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1058.65 | UBUNTU-CVE-2025-39853 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-fde-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1058.65~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1097.106 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1052.55 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1052.55~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1093.99 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1048.53 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1080.88 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1035.38 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-hwe-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-106.106~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1091.94 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1049.49 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1049.49~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1092.98 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1089.94 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-163.173 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-106.106.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-106.106.1~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1092.93 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1049.52 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1049.52~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1049.52.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1049.49 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1020.20 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1038.38 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1094.100 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1047.48 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1047.48~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1091.94 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1050.54 | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-106.106~22.04.1 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-39853 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1028.29 | UBUNTU-CVE-2025-39853 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1061.65 | UBUNTU-CVE-2025-39853 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | e3219ce6a775468368fb270fae3eb82a6787b436 – before 971feafe157afac443027acdc235badc6838560be3219ce6a775468368fb270fae3eb82a6787b436 – before 3c6fb929afa313d9d11f780451d113f73922fe5de3219ce6a775468368fb270fae3eb82a6787b436 – before 1eadabcf5623f1237a539b16586b4ed8ac8dffcde3219ce6a775468368fb270fae3eb82a6787b436 – before e2a5e74879f9b494bbd66fa93f355feacde450c7e3219ce6a775468368fb270fae3eb82a6787b436 – before fb216d980fae6561c7c70af8ef826faf059c6515e3219ce6a775468368fb270fae3eb82a6787b436 – before 66e7cdbda74ee823ec2bf7b830ebd235c54f5ddfe3219ce6a775468368fb270fae3eb82a6787b436 – before 9c21fc4cebd44dd21016c61261a683af390343f8e3219ce6a775468368fb270fae3eb82a6787b436 – before a556f06338e1d5a85af0e32ecb46e365547f92b9 |
| Linux | Linux | 4.6 |
References
- https://git.kernel.org/stable/c/971feafe157afac443027acdc235badc6838560b
- https://git.kernel.org/stable/c/3c6fb929afa313d9d11f780451d113f73922fe5d
- https://git.kernel.org/stable/c/1eadabcf5623f1237a539b16586b4ed8ac8dffcd
- https://git.kernel.org/stable/c/e2a5e74879f9b494bbd66fa93f355feacde450c7
- https://git.kernel.org/stable/c/fb216d980fae6561c7c70af8ef826faf059c6515
- https://git.kernel.org/stable/c/66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf
- https://git.kernel.org/stable/c/9c21fc4cebd44dd21016c61261a683af390343f8
- https://git.kernel.org/stable/c/a556f06338e1d5a85af0e32ecb46e365547f92b9
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://cert-portal.siemens.com/productcert/html/ssa-089022.html
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html