CVE-2026-31788

A flaw was found in the Linux kernel's Xen privcmd driver. This vulnerability allows a root user process within an unprivileged guest domU to issue arbitrary hypercalls. Such an action could enable the process to modify the kernel's memory, thereby undermining the secure boot feature designed to...

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

UBUNTU-CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788 xen/privcmd: restrict usage in unprivileged domU

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788 xen/privcmd: restrict usage in unprivileged domU

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788

The CVE-2026-31788 entry describes a vulnerability in the Linux kernel related to the Xen privcmd driver. The privcmd interface could allow a user-space process to issue hypercalls that affect other domains, which is normally restricted to root. In secure-boot scenarios, an unprivileged domU coul...

SUSE CVE-2026-31788

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

CVE-2026-31788: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary hypercalls from user space processes. This is normally no problem, as access is usually limited to root and the hypervisor will den...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from insufficient restrictions on the use of the xen/privcmd driver in non-privileged domains, potentially...

CVE-2026-23554

A flaw was found in Xen. An optimization in the Intel Extended Page Table EPT paging code, used by Xen, defers flushing cached EPT state. However, the freeing of paging structures is not similarly deferred. This can result in freed memory pages remaining in the cached state, allowing stale entrie...

[SECURITY] Fedora 43 Update: xen-4.20.2-4.fc43

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Xen 安全漏洞

Xen is an open-source virtual machine monitor product developed by Xen. This product allows different and incompatible operating systems to run on the same computer. It also supports migration during operation, ensuring smooth functioning and avoiding downtime. Xen has security vulnerabilities;...

Fedora: Security Advisory (FEDORA-2026-8ae1a1c3d7)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Xen 安全漏洞

Xen is an open-source virtual machine monitor product developed by Xen. This product allows different and incompatible operating systems to run on the same computer. It also supports migration during runtime, ensuring smooth operation and avoiding downtime. Xen has a security vulnerability, which...

Fedora 43 : xen (2026-8ae1a1c3d7)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8ae1a1c3d7 advisory. Use after free of paging structures in EPT XSA-480, CVE-2026-23554 Xenstored DoS by unprivileged domain XSA-481, CVE-2026-23555 Tenable has extracte...

SUSE: Security Advisory (SUSE-SU-2026:0908-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE Security Advisory (SUSE-SU-2026:0908-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...