The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to generate a continuous stream of WARN messages and cause a denial of service (disk consumption) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and XEN_PCI_OP_enable_msi operations, aka Linux pciback missing sanity checks.
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 |
---|---|---|---|
Xen | Xen | 3.1.3 (including) | 3.1.3 (including) |
Xen | Xen | 3.1.4 (including) | 3.1.4 (including) |
Xen | Xen | 3.2.0 (including) | 3.2.0 (including) |
Xen | Xen | 3.2.1 (including) | 3.2.1 (including) |
Xen | Xen | 3.2.2 (including) | 3.2.2 (including) |
Xen | Xen | 3.2.3 (including) | 3.2.3 (including) |
Xen | Xen | 3.3.0 (including) | 3.3.0 (including) |
Xen | Xen | 3.3.1 (including) | 3.3.1 (including) |
Xen | Xen | 3.3.2 (including) | 3.3.2 (including) |
Xen | Xen | 3.4.0 (including) | 3.4.0 (including) |
Xen | Xen | 3.4.1 (including) | 3.4.1 (including) |
Xen | Xen | 3.4.2 (including) | 3.4.2 (including) |
Xen | Xen | 3.4.3 (including) | 3.4.3 (including) |
Xen | Xen | 3.4.4 (including) | 3.4.4 (including) |
Xen | Xen | 4.0.0 (including) | 4.0.0 (including) |
Xen | Xen | 4.0.1 (including) | 4.0.1 (including) |
Xen | Xen | 4.0.2 (including) | 4.0.2 (including) |
Xen | Xen | 4.0.3 (including) | 4.0.3 (including) |
Xen | Xen | 4.0.4 (including) | 4.0.4 (including) |
Xen | Xen | 4.1.0 (including) | 4.1.0 (including) |
Xen | Xen | 4.1.1 (including) | 4.1.1 (including) |
Xen | Xen | 4.1.2 (including) | 4.1.2 (including) |
Xen | Xen | 4.1.3 (including) | 4.1.3 (including) |
Xen | Xen | 4.1.4 (including) | 4.1.4 (including) |
Xen | Xen | 4.1.5 (including) | 4.1.5 (including) |
Xen | Xen | 4.1.6 (including) | 4.1.6 (including) |
Xen | Xen | 4.1.6.1 (including) | 4.1.6.1 (including) |
Xen | Xen | 4.2.0 (including) | 4.2.0 (including) |
Xen | Xen | 4.2.1 (including) | 4.2.1 (including) |
Xen | Xen | 4.2.2 (including) | 4.2.2 (including) |
Xen | Xen | 4.2.3 (including) | 4.2.3 (including) |
Xen | Xen | 4.2.4 (including) | 4.2.4 (including) |
Xen | Xen | 4.2.5 (including) | 4.2.5 (including) |
Xen | Xen | 4.3.0 (including) | 4.3.0 (including) |
Xen | Xen | 4.3.1 (including) | 4.3.1 (including) |
Xen | Xen | 4.3.2 (including) | 4.3.2 (including) |
Xen | Xen | 4.3.3 (including) | 4.3.3 (including) |
Xen | Xen | 4.3.4 (including) | 4.3.4 (including) |
Linux | Ubuntu | esm-infra-legacy/trusty | * |
Linux | Ubuntu | precise | * |
Linux | Ubuntu | precise/esm | * |
Linux | Ubuntu | trusty | * |
Linux | Ubuntu | trusty/esm | * |
Linux | Ubuntu | upstream | * |
Linux | Ubuntu | vivid | * |
Linux | Ubuntu | vivid/ubuntu-core | * |
Linux | Ubuntu | wily | * |
Linux-armadaxp | Ubuntu | precise | * |
Linux-armadaxp | Ubuntu | upstream | * |
Linux-aws | Ubuntu | upstream | * |
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 | bionic | * |
Linux-azure | Ubuntu | esm-infra/bionic | * |
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 | noble | * |
Linux-azure-6.11 | Ubuntu | upstream | * |
Linux-azure-6.8 | 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 | esm-infra/focal | * |
Linux-azure-fde-5.15 | Ubuntu | focal | * |
Linux-azure-fde-5.15 | Ubuntu | upstream | * |
Linux-azure-fips | Ubuntu | trusty | * |
Linux-azure-fips | Ubuntu | upstream | * |
Linux-azure-fips | Ubuntu | xenial | * |
Linux-azure-nvidia | Ubuntu | upstream | * |
Linux-bluefield | Ubuntu | upstream | * |
Linux-fips | Ubuntu | upstream | * |
Linux-flo | Ubuntu | trusty | * |
Linux-flo | Ubuntu | upstream | * |
Linux-flo | Ubuntu | vivid | * |
Linux-flo | Ubuntu | vivid/stable-phone-overlay | * |
Linux-flo | Ubuntu | wily | * |
Linux-flo | Ubuntu | xenial | * |
Linux-flo | Ubuntu | yakkety | * |
Linux-gcp | Ubuntu | bionic | * |
Linux-gcp | Ubuntu | esm-infra/bionic | * |
Linux-gcp | Ubuntu | upstream | * |
Linux-gcp-4.15 | Ubuntu | upstream | * |
Linux-gcp-5.15 | Ubuntu | upstream | * |
Linux-gcp-5.4 | Ubuntu | upstream | * |
Linux-gcp-6.11 | Ubuntu | noble | * |
Linux-gcp-6.11 | Ubuntu | upstream | * |
Linux-gcp-6.14 | Ubuntu | upstream | * |
Linux-gcp-6.8 | 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-gkeop | Ubuntu | esm-infra/focal | * |
Linux-gkeop | Ubuntu | focal | * |
Linux-gkeop | Ubuntu | upstream | * |
Linux-goldfish | Ubuntu | trusty | * |
Linux-goldfish | Ubuntu | upstream | * |
Linux-goldfish | Ubuntu | vivid | * |
Linux-goldfish | Ubuntu | wily | * |
Linux-goldfish | Ubuntu | xenial | * |
Linux-goldfish | Ubuntu | yakkety | * |
Linux-goldfish | Ubuntu | zesty | * |
Linux-grouper | Ubuntu | trusty | * |
Linux-grouper | Ubuntu | upstream | * |
Linux-hwe | Ubuntu | bionic | * |
Linux-hwe | Ubuntu | esm-infra/bionic | * |
Linux-hwe | Ubuntu | upstream | * |
Linux-hwe-5.15 | Ubuntu | upstream | * |
Linux-hwe-5.4 | Ubuntu | upstream | * |
Linux-hwe-6.11 | Ubuntu | noble | * |
Linux-hwe-6.11 | Ubuntu | upstream | * |
Linux-hwe-6.14 | Ubuntu | upstream | * |
Linux-hwe-6.8 | Ubuntu | upstream | * |
Linux-hwe-edge | Ubuntu | bionic | * |
Linux-hwe-edge | Ubuntu | esm-infra/bionic | * |
Linux-hwe-edge | Ubuntu | upstream | * |
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 | upstream | * |
Linux-linaro-omap | Ubuntu | precise | * |
Linux-linaro-omap | Ubuntu | upstream | * |
Linux-linaro-shared | Ubuntu | precise | * |
Linux-linaro-shared | Ubuntu | upstream | * |
Linux-linaro-vexpress | Ubuntu | precise | * |
Linux-linaro-vexpress | Ubuntu | upstream | * |
Linux-lowlatency | Ubuntu | upstream | * |
Linux-lowlatency-hwe-5.15 | Ubuntu | upstream | * |
Linux-lowlatency-hwe-6.11 | Ubuntu | noble | * |
Linux-lowlatency-hwe-6.11 | Ubuntu | upstream | * |
Linux-lowlatency-hwe-6.8 | Ubuntu | upstream | * |
Linux-lts-quantal | Ubuntu | precise | * |
Linux-lts-quantal | Ubuntu | precise/esm | * |
Linux-lts-quantal | Ubuntu | upstream | * |
Linux-lts-raring | Ubuntu | precise | * |
Linux-lts-raring | Ubuntu | precise/esm | * |
Linux-lts-raring | Ubuntu | upstream | * |
Linux-lts-saucy | Ubuntu | precise | * |
Linux-lts-saucy | Ubuntu | precise/esm | * |
Linux-lts-saucy | Ubuntu | upstream | * |
Linux-lts-trusty | Ubuntu | precise | * |
Linux-lts-trusty | Ubuntu | precise/esm | * |
Linux-lts-trusty | Ubuntu | upstream | * |
Linux-lts-utopic | Ubuntu | trusty | * |
Linux-lts-utopic | Ubuntu | upstream | * |
Linux-lts-vivid | Ubuntu | trusty | * |
Linux-lts-vivid | Ubuntu | upstream | * |
Linux-lts-wily | Ubuntu | trusty | * |
Linux-lts-wily | Ubuntu | upstream | * |
Linux-lts-xenial | Ubuntu | upstream | * |
Linux-maguro | Ubuntu | trusty | * |
Linux-maguro | Ubuntu | upstream | * |
Linux-mako | Ubuntu | trusty | * |
Linux-mako | Ubuntu | upstream | * |
Linux-mako | Ubuntu | vivid | * |
Linux-mako | Ubuntu | vivid/stable-phone-overlay | * |
Linux-mako | Ubuntu | wily | * |
Linux-mako | Ubuntu | xenial | * |
Linux-mako | Ubuntu | yakkety | * |
Linux-manta | Ubuntu | trusty | * |
Linux-manta | Ubuntu | upstream | * |
Linux-manta | Ubuntu | vivid | * |
Linux-manta | Ubuntu | wily | * |
Linux-nvidia | Ubuntu | upstream | * |
Linux-nvidia-6.11 | 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-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-qcm-msm | Ubuntu | precise | * |
Linux-qcm-msm | 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 | bionic | * |
Linux-raspi2 | Ubuntu | esm-infra/focal | * |
Linux-raspi2 | Ubuntu | focal | * |
Linux-raspi2 | Ubuntu | upstream | * |
Linux-realtime | Ubuntu | jammy | * |
Linux-realtime | Ubuntu | noble | * |
Linux-realtime | Ubuntu | upstream | * |
Linux-riscv | Ubuntu | esm-infra/focal | * |
Linux-riscv | Ubuntu | focal | * |
Linux-riscv | Ubuntu | jammy | * |
Linux-riscv | Ubuntu | noble | * |
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-ti-omap4 | Ubuntu | precise | * |
Linux-ti-omap4 | Ubuntu | upstream | * |
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.