kernel: iommu/vt-d: Clean up si_domain in the init_dmars() error path

A memory leak flaw was found in the Linux kernel's Intel VT-d IOMMU driver in the initialization error path. A local user can trigger this issue when the initdmars function fails during IOMMU setup, causing the sidomain memory to remain allocated without being freed. This results in a permanent...

kernel: wifi: iwlwifi: dvm: Fix memcpy: detected field-spanning write backtrace

A vulnerability was discovered in the Intel wireless iwlwifi driver in the Linux kernel that could lead to a buffer overflow in the Driver Virtualization Module key handling code. When processing a received TKIP key that includes MIC rx/tx components, the driver did not adequately limit the amoun...

kernel: Linux kernel KVM: Denial of Service due to incorrect kvm_arm_init failure handling in finalize_pkvm

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for arm64 architectures. This vulnerability arises from a lack of synchronization between the finalizepkvm and kvmarminit initialization calls. A local attacker with low privileges could exploit this by triggering a scenario...

kernel: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid...

kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

kernel: KVM: VMX: Fix crash due to uninitialized current_vmcs

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

Moderate: qemu-kvm security, bug fix, and enhancement update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. The following packages have been upgraded to a later upstream version: qemu-kvm 8.0.0...

Rocky Linux 8 : kernel-rt (RLSA-2021:3547)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:3547 advisory. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provide...

Moderate: libvirt security, bug fix, and enhancement update

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems. The following packages have been upgraded to a later upstream version:...

DEBIAN-CVE-2023-5090

A flaw was found in KVM. An improper check in svmsetx2apicmsrinterception may allow direct access to host x2apic msrs when the guest resets its apic, potentially leading to a denial of service condition...

AZL-31943 CVE-2023-5090 affecting package kernel for versions less than 5.15.153.1-1

A flaw was found in KVM. An improper check in svmsetx2apicmsrinterception may allow direct access to host x2apic msrs when the guest resets its apic, potentially leading to a denial of service condition...

Rocky Linux 8 : kernel (RLSA-2021:3548)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:3548 advisory. - A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provide...

openSUSE 15 Security Update : virtualbox (openSUSE-SU-2023:0351-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2023:0351-1 advisory. - Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. Supported versions that are affected are Prior to...

openSUSE 15 Security Update : virtualbox (openSUSE-SU-2023:0352-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2023:0352-1 advisory. - Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. Supported versions that are affected are Prior to...

AZL-35596 CVE-2023-5088 affecting package qemu for versions less than 6.2.0-21

A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead potentially overwriting the VM's boot code. This could be used, for example, by L2 guests with a virtual disk vdiskL2 stored on a virtual disk of an L1 vdiskL1...

The vulnerability of the update download section for software solutions in the Spectrum Virtualize virtualization technology allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the update download section for Spectrum Virtualize software relates to insufficient protection of operational data during the download process. Exploiting this vulnerability allows an attacker to gain unauthorized access to protected information by using the “satask...

NVIDIA vGPU software security vulnerability

NVIDIA vGPU Software is a management software from NVIDIA that is used to provide GPU capabilities to virtual machines. The software supports multiple virtual machines to access the host's GPU, providing graphics performance and application compatibility for virtual machines. A security...

F5 Networks BIG-IP : Linux kernel vulnerability (K07721343)

The version of F5 Networks BIG-IP installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the K07721343 advisory. - A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the...

Important: Red Hat Security Advisory: OpenShift Virtualization 4.11.7 Images security and bug fix update

Red Hat OpenShift Virtualization release 4.11.7 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which...

Important: Red Hat Security Advisory: OpenShift Virtualization 4.12.8 Images security update

Red Hat OpenShift Virtualization release 4.12.8 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which...