Vulnerability · Published Jul 10, 2025 · Assigned by Linux
CVE-2025-38310seg6: Fix validation of nexthop addresses
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 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 93.7% 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: seg6: Fix validation of nexthop addresses The kernel currently validates that the length of the provided nexthop address does not exceed the specified length. This can lead to the kernel reading uninitialized memory if user space provided a shorter length than the specified one. Fix by validating that the provided length exactly matches the specified one.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.147-1 | DEBIAN-CVE-2025-38310 |
| Debian:13 | linux | 6.12.35-1 | DEBIAN-CVE-2025-38310 |
| Debian:14 | linux | 6.12.35-1 | DEBIAN-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux | 5.15.0-156.166 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux | 6.8.0-100.100 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1092.99 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1046.49 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-aws-6.14 | 6.14.0-1013.13~24.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1046.49~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1096.105 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1046.52 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1051.57~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1096.105.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-azure-fde | 6.8.0-1046.53 | UBUNTU-CVE-2025-38310 |
| Ubuntu:25.10 | linux-azure-fde | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.8 | 6.8.0-1046.53~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-azure-nvidia | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-azure-nvidia-6.14 | 6.14.0-1007.7 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1092.101 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1047.50 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-gcp-6.14 | 6.14.0-1016.17~24.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1047.50~22.04.2 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1089.95 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1043.48 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1075.83 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-gkeop | 6.8.0-1030.33 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-100.100~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1086.89 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1044.44 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-ibm-6.8 | 6.8.0-1044.44~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-intel | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1087.93 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1088.93 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-156.166 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-100.100.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-100.100.1~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1087.88 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1046.49 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1046.49~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1046.49.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1045.45 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra | 6.8.0-1020.20 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1034.34 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-oem-6.14 | 6.14.0-1012.12 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1090.96 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1043.44 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-oracle-6.14 | 6.14.0-1013.13~24.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1043.44~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1086.89 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1047.51 | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | 6.14.0-32.32.1~24.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-100.100~22.04.1 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2025-38310 |
| Ubuntu:24.04:LTS | linux-xilinx | 6.8.0-1023.24 | UBUNTU-CVE-2025-38310 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1056.60 | UBUNTU-CVE-2025-38310 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | d1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before 668923c474608dd9ebce0fbcc41bd8a27aa73dd6d1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bacd1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before d2507aeea45b3c5aa24d5daae0cf3db76895c0b7d1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before d5d9fd13bc19a3f9f2a951c5b6e934d84205789ed1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before cd4cd09810211fa23609c5c1018352e9e1cd8e5ad1df6fd8a1d22d37cffa0075ab8ad423ce656777 – before 7632fedb266d93ed0ed9f487133e6c6314a9b2d1 |
| Linux | Linux | 4.14 |
References
- https://git.kernel.org/stable/c/668923c474608dd9ebce0fbcc41bd8a27aa73dd6
- https://git.kernel.org/stable/c/cef33a86bcb04ecf4dc10c56f6c42ee9d1c54bac
- https://git.kernel.org/stable/c/d2507aeea45b3c5aa24d5daae0cf3db76895c0b7
- https://git.kernel.org/stable/c/d5d9fd13bc19a3f9f2a951c5b6e934d84205789e
- https://git.kernel.org/stable/c/cd4cd09810211fa23609c5c1018352e9e1cd8e5a
- https://git.kernel.org/stable/c/7632fedb266d93ed0ed9f487133e6c6314a9b2d1
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html