An issue was discovered in net/ipv6/ip6mr.c in the Linux kernel before 4.11. By setting a specific socket option, an attacker can control a pointer in kernel land and cause an inet_csk_listen_stop general protection fault, or potentially execute arbitrary code under certain circumstances. The issue can be triggered as root (e.g., inside a default LXC container or with the CAP_NET_ADMIN capability) or after namespace unsharing. This occurs because sk_type and protocol are not checked in the appropriate part of the ip6_mroute_* functions. NOTE: this affects Linux distributions that use 4.9.x longterm kernels before 4.9.187.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Linux_kernel | Linux | * | 3.16.72 (excluding) |
Linux_kernel | Linux | 3.17 (including) | 4.4.187 (excluding) |
Linux_kernel | Linux | 4.5 (including) | 4.9.187 (excluding) |
Linux_kernel | Linux | 4.10 (including) | 4.11 (excluding) |
Linux | Ubuntu | esm-infra-legacy/trusty | * |
Linux | Ubuntu | esm-infra/xenial | * |
Linux | Ubuntu | precise/esm | * |
Linux | Ubuntu | trusty | * |
Linux | Ubuntu | trusty/esm | * |
Linux | Ubuntu | upstream | * |
Linux | Ubuntu | xenial | * |
Linux-aws | Ubuntu | esm-infra-legacy/trusty | * |
Linux-aws | Ubuntu | esm-infra/xenial | * |
Linux-aws | Ubuntu | trusty | * |
Linux-aws | Ubuntu | trusty/esm | * |
Linux-aws | Ubuntu | upstream | * |
Linux-aws | Ubuntu | xenial | * |
Linux-aws-5.15 | Ubuntu | upstream | * |
Linux-aws-5.4 | Ubuntu | upstream | * |
Linux-aws-6.14 | Ubuntu | upstream | * |
Linux-aws-6.8 | Ubuntu | upstream | * |
Linux-aws-fips | Ubuntu | trusty | * |
Linux-aws-fips | Ubuntu | upstream | * |
Linux-aws-fips | Ubuntu | xenial | * |
Linux-aws-hwe | Ubuntu | upstream | * |
Linux-azure | Ubuntu | upstream | * |
Linux-azure-4.15 | Ubuntu | upstream | * |
Linux-azure-5.15 | Ubuntu | upstream | * |
Linux-azure-5.4 | Ubuntu | upstream | * |
Linux-azure-6.11 | Ubuntu | upstream | * |
Linux-azure-6.14 | Ubuntu | upstream | * |
Linux-azure-6.8 | Ubuntu | upstream | * |
Linux-azure-edge | Ubuntu | upstream | * |
Linux-azure-fde | Ubuntu | esm-infra/focal | * |
Linux-azure-fde | Ubuntu | focal | * |
Linux-azure-fde | Ubuntu | upstream | * |
Linux-azure-fde-5.15 | Ubuntu | upstream | * |
Linux-azure-fde-6.14 | Ubuntu | upstream | * |
Linux-azure-fips | Ubuntu | trusty | * |
Linux-azure-fips | Ubuntu | upstream | * |
Linux-azure-fips | Ubuntu | xenial | * |
Linux-azure-nvidia | Ubuntu | upstream | * |
Linux-azure-nvidia-6.14 | Ubuntu | upstream | * |
Linux-bluefield | Ubuntu | upstream | * |
Linux-fips | Ubuntu | fips-updates/xenial | * |
Linux-fips | Ubuntu | fips/xenial | * |
Linux-fips | Ubuntu | upstream | * |
Linux-gcp | Ubuntu | esm-infra/xenial | * |
Linux-gcp | Ubuntu | upstream | * |
Linux-gcp | Ubuntu | xenial | * |
Linux-gcp-4.15 | Ubuntu | upstream | * |
Linux-gcp-5.15 | Ubuntu | upstream | * |
Linux-gcp-5.4 | Ubuntu | upstream | * |
Linux-gcp-6.11 | Ubuntu | upstream | * |
Linux-gcp-6.14 | Ubuntu | upstream | * |
Linux-gcp-6.8 | Ubuntu | upstream | * |
Linux-gcp-edge | Ubuntu | upstream | * |
Linux-gcp-fips | Ubuntu | trusty | * |
Linux-gcp-fips | Ubuntu | upstream | * |
Linux-gcp-fips | Ubuntu | xenial | * |
Linux-gke | Ubuntu | esm-infra/focal | * |
Linux-gke | Ubuntu | focal | * |
Linux-gke | Ubuntu | upstream | * |
Linux-gke | Ubuntu | xenial | * |
Linux-gke-4.15 | Ubuntu | upstream | * |
Linux-gke-5.0 | Ubuntu | upstream | * |
Linux-gkeop | Ubuntu | upstream | * |
Linux-gkeop-5.15 | Ubuntu | upstream | * |
Linux-hwe | Ubuntu | esm-infra/xenial | * |
Linux-hwe | Ubuntu | upstream | * |
Linux-hwe | Ubuntu | xenial | * |
Linux-hwe-5.15 | Ubuntu | upstream | * |
Linux-hwe-5.4 | Ubuntu | upstream | * |
Linux-hwe-6.11 | Ubuntu | upstream | * |
Linux-hwe-6.14 | Ubuntu | upstream | * |
Linux-hwe-6.8 | Ubuntu | upstream | * |
Linux-hwe-edge | Ubuntu | esm-infra/xenial | * |
Linux-hwe-edge | Ubuntu | upstream | * |
Linux-hwe-edge | Ubuntu | xenial | * |
Linux-ibm | Ubuntu | upstream | * |
Linux-ibm-5.15 | Ubuntu | upstream | * |
Linux-ibm-5.4 | Ubuntu | upstream | * |
Linux-ibm-6.8 | Ubuntu | upstream | * |
Linux-intel | Ubuntu | upstream | * |
Linux-intel-iot-realtime | Ubuntu | jammy | * |
Linux-intel-iot-realtime | Ubuntu | upstream | * |
Linux-intel-iotg | Ubuntu | upstream | * |
Linux-intel-iotg-5.15 | Ubuntu | upstream | * |
Linux-iot | Ubuntu | upstream | * |
Linux-kvm | Ubuntu | esm-infra/xenial | * |
Linux-kvm | Ubuntu | upstream | * |
Linux-kvm | Ubuntu | xenial | * |
Linux-lowlatency | Ubuntu | upstream | * |
Linux-lowlatency-hwe-5.15 | Ubuntu | upstream | * |
Linux-lowlatency-hwe-6.11 | Ubuntu | upstream | * |
Linux-lowlatency-hwe-6.8 | Ubuntu | upstream | * |
Linux-lts-trusty | Ubuntu | precise/esm | * |
Linux-lts-trusty | Ubuntu | upstream | * |
Linux-lts-xenial | Ubuntu | esm-infra-legacy/trusty | * |
Linux-lts-xenial | Ubuntu | trusty | * |
Linux-lts-xenial | Ubuntu | trusty/esm | * |
Linux-lts-xenial | Ubuntu | upstream | * |
Linux-nvidia | Ubuntu | upstream | * |
Linux-nvidia-6.11 | Ubuntu | upstream | * |
Linux-nvidia-6.5 | Ubuntu | upstream | * |
Linux-nvidia-6.8 | Ubuntu | upstream | * |
Linux-nvidia-lowlatency | Ubuntu | upstream | * |
Linux-nvidia-tegra | Ubuntu | upstream | * |
Linux-nvidia-tegra-5.15 | Ubuntu | upstream | * |
Linux-nvidia-tegra-igx | Ubuntu | upstream | * |
Linux-oem | Ubuntu | upstream | * |
Linux-oem | Ubuntu | xenial | * |
Linux-oem-6.11 | Ubuntu | upstream | * |
Linux-oem-6.14 | Ubuntu | upstream | * |
Linux-oem-6.8 | Ubuntu | upstream | * |
Linux-oracle | Ubuntu | upstream | * |
Linux-oracle-5.15 | Ubuntu | upstream | * |
Linux-oracle-5.4 | Ubuntu | upstream | * |
Linux-oracle-6.14 | Ubuntu | upstream | * |
Linux-oracle-6.8 | Ubuntu | upstream | * |
Linux-raspi | Ubuntu | upstream | * |
Linux-raspi-5.4 | Ubuntu | upstream | * |
Linux-raspi-realtime | Ubuntu | noble | * |
Linux-raspi-realtime | Ubuntu | upstream | * |
Linux-raspi2 | Ubuntu | esm-infra/focal | * |
Linux-raspi2 | Ubuntu | focal | * |
Linux-raspi2 | Ubuntu | upstream | * |
Linux-raspi2 | Ubuntu | xenial | * |
Linux-realtime | Ubuntu | jammy | * |
Linux-realtime | Ubuntu | upstream | * |
Linux-realtime-6.14 | Ubuntu | upstream | * |
Linux-realtime-6.8 | Ubuntu | upstream | * |
Linux-riscv | Ubuntu | esm-infra/focal | * |
Linux-riscv | Ubuntu | focal | * |
Linux-riscv | Ubuntu | jammy | * |
Linux-riscv | Ubuntu | upstream | * |
Linux-riscv-5.15 | Ubuntu | upstream | * |
Linux-riscv-6.14 | Ubuntu | upstream | * |
Linux-riscv-6.8 | Ubuntu | upstream | * |
Linux-snapdragon | Ubuntu | bionic | * |
Linux-snapdragon | Ubuntu | upstream | * |
Linux-snapdragon | Ubuntu | xenial | * |
Linux-xilinx-zynqmp | Ubuntu | upstream | * |
Input validation is a frequently-used technique for checking potentially dangerous inputs in order to ensure that the inputs are safe for processing within the code, or when communicating with other components. Input can consist of:
Data can be simple or structured. Structured data can be composed of many nested layers, composed of combinations of metadata and raw data, with other simple or structured data. Many properties of raw data or metadata may need to be validated upon entry into the code, such as:
Implied or derived properties of data must often be calculated or inferred by the code itself. Errors in deriving properties may be considered a contributing factor to improper input validation.