USN-5579-1 linux, linux-kvm, linux-lts-xenial vulnerabilities

Roger Pau Monné discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information guest kernel memory. CVE-2022-26365 Roger Pau Monné...

The vulnerability of the Windows Hyper-V hardware virtualization system allows attackers to escalate their privileges.

The vulnerability of the Windows Hyper-V hardware virtualization system is related to deficiencies in the authentication process. Exploiting this vulnerability can allow attackers to gain increased privileges...

The vulnerability of the kvm_dirty_ring_push function (virt/kvm/dirty_ring.c) in the KVM virtualization subsystem of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the kvmdirtyringpush function virt/kvm/dirtyring.c in the KVM virtualization subsystem of the Linux operating system is related to pointer arithmetic errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

Red Hat Enterprise Linux 资源管理错误漏洞

Red Hat Enterprise Linux is a Linux operating system for business users from Red Hat, Inc. A security vulnerability in Red Hat Enterprise Linux exists because the onstreamio function and the dnsstreamcomplete function in resolved-dns-stream.c do not increment the reference count of a DnsStream...

Medium: kernel

Issue Overview: A flaw was found in hw. Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type, potentially leading to information disclosure. CVE-2022-23825 Non-transparent sharing of return predictor targets between contexts in some IntelR Processors may...

A flaw was found in KVM. When updating a guest's page table entry vm_pgoff was improperly used as the offset to get the page's pfn. As vaddr and vm_pgoff are controllable by user-mode processes this flaw allows unprivileged local users on the host to write outside the userspace region and potentially corrupt the kernel resulting in a denial of service condition.

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CVE-2022-34696

Windows Hyper-V Remote Code Execution Vulnerability...

The vulnerability of Windows Hyper-V’s hardware virtualization technology allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of Windows Hyper-V hardware virtualization technology in Windows operating systems is related to deficiencies in the segmentation of the system’s controlled areas. Exploiting this vulnerability can allow an attacker, acting remotely, to gain unauthorized access to protected...

DEBIAN-CVE-2022-37394

An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnictype, creating an instance bound to that port, and then changing the vnictype of the bound port to macvtap, an authenticated user may cause the compu...

UBUNTU-CVE-2022-37394

An issue was discovered in OpenStack Nova before 23.2.2, 24.x before 24.1.2, and 25.x before 25.0.2. By creating a neutron port with the direct vnictype, creating an instance bound to that port, and then changing the vnictype of the bound port to macvtap, an authenticated user may cause the compu...

OpenStack 安全漏洞

OpenStack is a cloud platform management program of the National Aeronautics and Space Administration NASA of the U.S. OpenStack Nova is one of the cloud computing construct controllers written in Python and is part of the IaaS system. A security vulnerability exists in OpenStack Nova versions...

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

An update is available for libguestfs, libnbd, libtpms, libguestfs-winsupport, nbdkit, supermin, libiscsi, hivex, libvirt, netcf, perl-Sys-Virt, seabios, qemu-kvm, swtpm, virt-v2v, sgabios, libvirt-dbus, libvirt-python. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS...

ALSA-2022:5821 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...

Huawei EulerOS: Security Advisory for nss (EulerOS-SA-2022-2203)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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 openssl (EulerOS-SA-2022-2205)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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 vim (EulerOS-SA-2022-2193)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...

GSD-2022-1004925 xen/blkfront: force data bouncing when backend is untrusted

xen/blkfront: force data bouncing when backend is untrusted This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.322 by commit...

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges...

EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2022-2213)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the...

EulerOS Virtualization 2.9.1 : util-linux (EulerOS-SA-2022-2192)

According to the versions of the util-linux packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an...