Alternate Method to Reverse Image Provisioning Services vDisks (XenServer Direct VHD Boot)

This article describes an alternate method to Reverse Image Provisioning Services vDisks XenServer Direct VHD Boot. Note : Reverse imaging a Provisioning Services PVS vDisk is not the only way to get a vDisk back to your hypervisor for updates. This article explains the versatility associated wit...

DarkGate Malware Exploits Samba File Shares in Short-Lived Campaign

Cybersecurity researchers have shed light on a short-lived DarkGate malware campaign that leveraged Samba file shares to initiate the infections. Palo Alto Networks Unit 42 said the activity spanned the months of March and April 2024, with the infection chains using servers running public-facing...

DEBIAN-CVE-2024-40989

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu...

DEBIAN-CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from a data contention issue in the kvmvcpuonspin function of the KVM virtualization component...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure of the KVM:arm64 component to ensure that no vCPU pointer points to the redistributor region when ...

virt:ol and virt-devel:ol security update

hivex libguestfs libguestfs-winsupport libiscsi libnbd libtpms libvirt libvirt-dbus libvirt-python nbdkit netcf perl-Sys-Virt qemu-kvm 6.2.0-50 - kvm-qcow2-Don-t-open-datafile-with-BDRVONOIO.patch RHEL-35616 - kvm-iotests-244-Don-t-store-data-file-with-protocol-in-i.patch RHEL-35616 -...

Moderate: Red Hat Security Advisory: OpenShift Virtualization 4.16.0 Images security update

Red Hat OpenShift Virtualization release 4.16.0 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 Moderate. A Common Vulnerability Scoring System CVSS base score, which giv...

kernel: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up There are cases after NPIV deletion where the fabric switch still believes the NPIV is logged into the fabric. This occurs when a vport is unregistered...

RHEL 9 : libvirt (RHSA-2024:4432)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4432 advisory. The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In...

Advisory ROSA-SA-2024-2449

Software: postgresql 12.1 OS: ROSA Virtualization 2.1 packageevrstring: postgresql-12.1 CVE-ID: CVE-2020-1720 BDU-ID: None CVE-Crit: MEDIUM CVE-DESC.: A vulnerability has been discovered in PostgreSQL "ALTER ... DEPENDS ON EXTENSION" where subcommands did not perform authorization checks. An...

Moderate: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Advisory ROSA-SA-2024-2448

Software: pcre2 10.32 OS: ROSA Virtualization 2.1 packageevrstring: pcre2-10.32 CVE-ID: CVE-2022-1587 BDU-ID: 2023-02635 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the pcre2jitcompile.c function of the PCRE2 regular expression library is related to reading outside of the allowed data buffer...

Important: virt:rhel and virt-devel:rhel security 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...

Important: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.6 Advanced mission critical Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which...

kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs

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...

ALSA-2024:4351 Low: virt:rhel and virt-devel:rhel security and bug fix 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...

RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2024:4373)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4373 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packag...

DEBIAN-CVE-2024-39483

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked When requesting an NMI window, WARN on vNMI support being enabled if and only if NMIs are actually masked, i.e. if the vCPU is already handling an NMI. KVM's ABI fo...

SUSE CVE-2024-6505

A flaw was found in the virtio-net device in QEMU. When enabling the RSS feature on the virtio-net network card, the indirectionstable data within RSS becomes controllable. Setting excessively large values may cause an index out-of-bounds issue, potentially resulting in heap overflow access. This...