Important: Red Hat Security Advisory: OpenShift Virtualization v4.22 Images

Red Hat OpenShift Virtualization release v4.22 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.19 Images

Red Hat OpenShift Virtualization release v4.19 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.18 Images

Red Hat OpenShift Virtualization release v4.18 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.21 Images

Red Hat OpenShift Virtualization release v4.21 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.19 Images

Red Hat OpenShift Virtualization release v4.19 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.18 Images

Red Hat OpenShift Virtualization release v4.18 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.21 Images

Red Hat OpenShift Virtualization release v4.21 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Moderate: Red Hat Security Advisory: OpenShift Virtualization v4.21 Images

Red Hat OpenShift Virtualization release v4.21 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Moderate: Red Hat Security Advisory: OpenShift Virtualization v4.18 Images

Red Hat OpenShift Virtualization release v4.18 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Moderate: Red Hat Security Advisory: OpenShift Virtualization v4.19 Images

Red Hat OpenShift Virtualization release v4.19 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: kernel-livepatch-6.18.20-41.237

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.18.25-55.108

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.90-120.164

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

Important: kernel-livepatch-6.12.83-113.160

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry CVE-2026-46316 In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind...

RHEL 10 : kernel (RHSA-2026:27288)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27288 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix tx.buf...

web-security-home-lab

Cybersecurity Home Lab Overview This project documents my...

CVE-2026-3195 Qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb (incomplete fix for cve-2024-7730)

A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the virtiosndpcmincb function did not check whether the iov could fit the data buffer, potentially leading to a heap out-of-bounds write. This issue exists due to an incomplete fix for CVE-2024-7730...

CVE-2026-3196

CVE-2026-3196 describes an integer overflow in the virtio-snd device triggered by PCM_INFO requests from a guest, causing unbounded host memory allocation and potential denial-of-service. Documented in multiple feeds (CVE listing, AttackersKB, OSV/Nessus advisories) indicates the vulnerability af...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM – Avoid clearing VMCBLBR in vmcb12. The svmcopylbrs function always marks VMCBLBR as dirty in the destination VMC. However, nestedsvmvmexit uses it to copy LBRs to vmcb12, and clearing the “clean” bits in vmcb12 is not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Stopping the IRR scan in kvmapicupdateirr even if PIR is empty The function apicfindhighestvector is used when PID.ON is set, but PIR turns out to be empty. This ensures that the highest pending interrupt from the...