RHSA-2026:58571 Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

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CVE-2026-74607

A flaw was found in the Kernel-based Virtual Machine KVM Secure Virtual Machine SVM module within the Linux kernel. This vulnerability involves a race condition during the management of encrypted virtual machine contexts, specifically when handling owner and mirror lists. A privileged user or...

Moderate: Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 10. 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 each vulnerability from...

qemu-kvm security, bug fix, and enhancement update

10.1.0-16.el102.5 - kvm-file-posix-populate-pwritezeroesalignment.patch RHEL-207389 - kvm-block-use-pwritezeroesalignment-when-writing-first.patch RHEL-207389 - kvm-iotests-add-Linux-loop-device-image-creation-test.patch RHEL-207389 - Resolves: RHEL-207389 qemu-img create/convert fails on target...

AZL-97085 CVE-2026-74607 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can cause two separate issues: - in sevmigratefrom, when the destination K...

CVE-2026-74607

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can cause two separate issues: - in sevmigratefrom, when the destination K...

CVE-2026-74607 KVM: SVM: Serialize accesses to the owner and mirror list with separate lock

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can cause two separate issues: - in sevmigratefrom, when the destination K...

CVE-2026-74607

A race condition in the Linux kernel's KVM SVM (Secure Virtual Machine) module affects the management of encrypted VM owner and mirror lists. When KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM and KVM_CAP_VM_COPY_ENC_CONTEXT_FROM interact concurrently, sev_migrate_from() can corrupt the owner's mirror list by...

CVE-2026-74607 KVM: SVM: Serialize accesses to the owner and mirror list with separate lock

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can cause two separate issues: - in sevmigratefrom, when the destination K...

EUVD-2026-64544

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can cause two separate issues: - in sevmigratefrom, when the destination K...

PT-2026-79612

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVM CAP VM MOVE ENC CONTEXT FROM and KVM CAP VM COPY ENC CONTEXT FROM can cause two separate issues: - in sev migrate from, when the...

Linux Distros Unpatched Vulnerability : CVE-2026-74607

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVMCAPVMMOVEENCCONTEXTFROM and KVMCAPVMCOPYENCCONTEXTFROM can...

USN-8667-1 linux-kvm vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

USN-8667-1: Linux kernel (KVM) vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

CVE-2026-74516

A flaw was found in KVM Kernel-based Virtual Machine. When the Advanced Virtual Interrupt Controller AVIC is inhibited while a nested guest L2 is active, KVM fails to properly update x2APIC MSR intercepts for the primary guest L1. This allows the L1 guest to read the host's APIC state, send...

CVE-2026-47359

Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in Apache CloudStack's NAS backup provider plugin. The addBackupRepository API available since 4.20.0.0 and updateBackupRepository API introduced in 4.22.0.0 accept unsanitized command options f...

CVE-2026-50112

SSRF via Metalink Mirror URL Resolution: An authenticated tenant can register a template pointing to an attacker-controlled metalink file containing internal targets. The Secondary Storage VM will retrieve the data and persist it as a template file, which can later be downloaded through normal...

CVE-2026-74515

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine s390 PCI component. This vulnerability arises from improper handling of adapter interrupt forwarding, where enabling it multiple times for a zPCI device without prior unregistration can lead to resource overwriting and leakag...

CVE-2026-74568

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine for ARM64 systems, specifically within the virtual Generic Interrupt Controller VGIC. A race condition can occur when a Logical Processor Interrupt LPI is released and then re-registered with the same identifier by a guest...

CVE-2026-47359

An OS Command Injection vulnerability exists in Apache CloudStack's NAS backup provider plugin . The addBackupRepository API (available since 4.20.0.0) and updateBackupRepository API (introduced in 4.22.0.0) accept unsanitized mount command options for backup repositories. A malicious operator ac...