[SECURITY] Fedora 42 Update: xen-4.19.5-1.fc42

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

xen-4.21.1_02-1.1 on GA media (moderate)

xen-4.21.102-1.1 on GA media Announcement ID: openSUSE-SU-2026:10457-1 Rating: moderate Cross-References: CVE-2026-23554 CVE-2026-23555 CVSS scores: CVE-2026-23554 SUSE : 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2026-23554 SUSE : 7.3...

Fedora: Security Advisory (FEDORA-2026-f04da48123)

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...

[SECURITY] Fedora 44 Update: xen-4.21.1-1.fc44

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

Fedora 42 : xen (2026-f04da48123)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f04da48123 advisory. update to xen 4.19.5 ---- Use after free of paging structures in EPT XSA-480, CVE-2026-23554 Xenstored DoS by unprivileged domain XSA-481,...

Fedora 44 : xen (2026-f884fd0313)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f884fd0313 advisory. update to xen 4.21.1 ---- Use after free of paging structures in EPT XSA-480, CVE-2026-23554 Xenstored DoS by unprivileged domain XSA-481,...

SUSE: Security Advisory (SUSE-SU-2026:1092-1)

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 SLED15 / SLES15 Security Update : xen (SUSE-SU-2026:1093-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1093-1 advisory. - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 - CVE-2026-23555: xen:...

SUSE SLES15 Security Update : xen (SUSE-SU-2026:1092-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1092-1 advisory. - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 Tenable has extracted the preceding description block...

OPENSUSE-SU-2026:10457-1 xen-4.21.1_02-1.1 on GA media

These are all security issues fixed in the xen-4.21.102-1.1 package on the GA media of openSUSE Tumbleweed...

SUSE-SU-2026:1093-1 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...

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 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run the...

SUSE-SU-2026:1092-1 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...

The vulnerability of the `privcmd_ioctl_mmap_resource()` function in the `drivers/xen/privcmd.c` driver for kernel memory buffer devices in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the privcmdioctlmmapresource function in the drivers/xen/privcmd.c driver for kernel memory buffer devices in the Linux operating system is related to the distribution of resources without any restrictions or regulation. Exploiting this vulnerability could allow a attacker to...

Mageia: Security Advisory (MGASA-2026-0068)

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...

Updated xen packages fix security vulnerability

Use after free of paging structures in EPT. CVE-2026-23554...

MGASA-2026-0068 Updated xen packages fix security vulnerability

Use after free of paging structures in EPT. CVE-2026-23554...

EUVD-2026-15401

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

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...