Moderate: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution forLinux on numerous hardware platforms. The virt:rhel module contains packageswhich provide user-space components used to run virtual machines using KVM.The packages also provide APIs for managing and interacting with the...

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...

ALPINE-CVE-2026-23555

Any guest issuing a Xenstore command accessing a node using the illegal node path "/local/domain/", will crash xenstored due to a clobbered error indicator in xenstored when verifying the node path. Note that the crash is forced via a failing assert statement in xenstored. In case xenstored is...

CTF As a Service: A Reproducible and Scalable Infrastructure for Cybersecurity Training

Capture The Flag CTF competitions have established themselves as a highly effective pedagogical tool in cybersecurity education, offering students hands-on experience in realistic attack and defense scenarios. However, organizing and hosting these events requires considerable infrastructure effor...

Huawei EulerOS: Security Advisory for curl (EulerOS-SA-2026-1635)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for curl (EulerOS-SA-2026-1627)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2026-1644)

The remote host is missing an update for the Huawei EulerOS 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...

RLSA-2023:6980 Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

virt:rhel and virt-devel:rhel security, bug fix, and enhancement update

An update is available for seabios, swtpm, perl-Sys-Virt, module.supermin, module.libiscsi, module.libvirt-dbus, libvirt-dbus, module.swtpm, module.virt-v2v, module.sgabios, module.perl-Sys-Virt, libvirt-python, module.libvirt-python, netcf, module.netcf, module.seabios, module.libguestfs, hivex,...

EulerOS Virtualization 2.13.0 : python-pip (EulerOS-SA-2026-1631)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn'...

EulerOS Virtualization 2.13.0 : kernel (EulerOS-SA-2026-1629)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : scsi: target: Fix WRITESAME No Data Buffer crashCVE-2022-21546 iommu/arm-smmu-v3-sva: Fix mm use-after-freeCVE-2022-49426 module: f...

EulerOS Virtualization 2.13.0 : unbound (EulerOS-SA-2026-1632)

According to the versions of the unbound packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : NLnet Labs Unbound up to and including version 1.24.0 is vulnerable to possible domain hijack attacks. Promiscuous NS RRSets that...

EulerOS Virtualization 2.13.1 : qemu (EulerOS-SA-2026-1641)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individu...

EulerOS Virtualization 2.13.1 : python-pip (EulerOS-SA-2026-1640)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn'...

EulerOS Virtualization 2.13.0 : qemu (EulerOS-SA-2026-1644)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individu...

Security Bulletin: AIX/VIOS Python is vulnerable to a null pointer dereference (CVE-2026-24515) and an integer overflow (CVE-2026-25210)

Summary Vulnerabilities in Python could cause a null pointer dereference CVE-2026-24515 or an integer overflow CVE-2026-25210. Python is used by AIX as part of Ansible node management automation. Vulnerability Details CVEID:CVE-2026-24515 DESCRIPTION: In libexpat before 2.7.4,...

EulerOS Virtualization 2.12.1 : rsync (EulerOS-SA-2026-1460)

According to the versions of the rsync package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a...

EulerOS Virtualization 2.12.0 : gdb (EulerOS-SA-2026-1481)

According to the versions of the gdb packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.36. It is a stack-overflow issue in demangletype in...

EulerOS Virtualization 2.12.0 : rsync (EulerOS-SA-2026-1517)

According to the versions of the rsync package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A malicious client acting as the receiver of an rsync file transfer can trigger an out of bounds read of a heap based buffer, via a...

EulerOS Virtualization 2.12.1 : brotli (EulerOS-SA-2026-1419)

According to the versions of the brotli package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Scrapy versions up to 2.13.2 are vulnerable to a denial of service DoS attack due to a flaw in its brotli decompression...