CVE-2023-54174

CVE-2023-54174 affects the Linux kernel vfio path: a NULL pointer dereference occurs when group->iommufd is uninitialized in iommufd_ctx_put(), leading to kernel crash via vfio_group_fops_unl_ioctl flow. The issue is caused by iommufd_ctx_put dereferencing an uninitialized group->iommufd, a...

PT-2025-54003

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw where a NULL pointer dereference can occur due to an uninitialized group-iommufd. This issue is present in the iommufd ctx put function and can be...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from uninitialized group-iommufd, which could lead to a null pointer dereference...

kernel: vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd

A NULL pointer dereference was found in the VFIO subsystem. When a VFIO group operation fails before group-iommufd is initialized, the cleanup path calls iommufdctxput with a NULL pointer, causing a kernel crash...