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 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 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

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...

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...

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...

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;...

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: 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...

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...

SUSE SLES15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2026:0908-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0908-1 advisory. - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 - CVE-2026-23555: xen: Xenstore...

Security update for xen

This update for xen fixes the following issues: CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 CVE-2026-23555: xen: Xenstored DoS by unprivileged domain bsc1259248, XSA-481 Patch Instructions: To install this SUSE update use the SUSE recommended installation...

SUSE-SU-2026:0908-1 Security update for xen

This update for xen fixes the following issues: - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 - CVE-2026-23555: xen: Xenstored DoS by unprivileged domain bsc1259248, XSA-481...