kernel: xen/privcmd: fix double free via VMA splitting

A flaw was found in the Linux kernel's xen/privcmd module. A local user could exploit this by performing a partial unmapping of a privcmd memory region. This action causes a Virtual Memory Area VMA to split, leading to duplicated internal memory pointers. As a result, the same memory can be freed...

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 originates in the xen module in the dmabufexpfrompages function that could lead to reuse after release...

PT-2025-25915 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the error exit of privcmd ioctl dm op in the Linux kernel, specifically in the xen/privcmd module. This error exit potentially calls unlock pages with pages bei...

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 the Linux kernel that stems from the xenbusdevprobe function resource not being properly freed in the xen module...

Vulnerabilities in the OpenSUSE operating system that allow malicious actors to compromise the confidentiality, integrity, and accessibility of protected information

The xtables-addons-kmp-xen package of the operating system openSUSE has multiple vulnerabilities. Exploitation of these vulnerabilities may lead to violations of the confidentiality, integrity, and accessibility of protected information. These vulnerabilities can be exploited remotely...