Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel

SENTINEL-ROOT-AUDIT: Honor Magic V2 Hypervisor Detection Suite...

CVE-2026-27211

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

AZL-78282 CVE-2026-27211 affecting package cloud-hypervisor for versions less than 48.0.246-3

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

CVE-2026-27211

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

CVE-2026-27211 Cloud Hypervisor: Host File Exfiltration via QCOW Backing File Abuse

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

CVE-2026-27211 Cloud Hypervisor: Host File Exfiltration via QCOW Backing File Abuse

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

CVE-2026-27211

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

CVE-2026-27211

Cloud Hypervisor (versions 34.0–50.0) is vulnerable to arbitrary host file exfiltration when using virtio-block devices backed by raw images. A malicious guest can overwrite a disk header with a crafted QCOW2 structure pointing to a sensitive host path; on the next VM boot or disk scan, image for...

CVE-2026-27211 Cloud Hypervisor: Host File Exfiltration via QCOW Backing File Abuse

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration constrained by process privileges when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted...

PT-2026-21357

Name of the Vulnerable Software and Affected Versions Cloud Hypervisor versions 34.0 through 50.0 Description Cloud Hypervisor, a Virtual Machine Monitor for Cloud workloads, has an issue where a malicious guest can potentially access sensitive host files. This occurs when using virtio-block...

Cloud hypervisor 安全漏洞

Cloud Hypervisor is a virtual machine monitor developed by Cloud Hypervisor Company, designed for modern cloud workloads. Versions 34.0 to 50.0 of Cloud Hypervisor contain security vulnerabilities. These vulnerabilities stem from defects in the virtio-block device supported by original images,...

AZL-77976 CVE-2026-24834 affecting package kata-containers for versions less than 3.19.1.kata2-6

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM...

CVE-2026-24834

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM...

CVE-2026-24834 Kata Container to Guest micro VM privilege escalation

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM...

CVE-2026-24834 Kata Container to Guest micro VM privilege escalation

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM...

CVE-2026-24834

CVE-2026-24834 affects Kata Containers before 3.27.0. A flaw in the interaction with Cloud Hypervisor allows a container user to modify the Guest micro VM’s filesystem, potentially achieving arbitrary code execution as root inside the VM. The host and other containers/VMs on the same host are not...

CVE-2026-24834 Kata Container to Guest micro VM privilege escalation

Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines VMs that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM...

Kata Container to Guest micro VM privilege escalation

Summary An issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM ultimately achieving arbitrary code execution as root in said VM. The current understinding is this doesn’t impact the security of the Host or of other containers / V...

GHSA-WWJ6-VGHV-5P64 Kata Container to Guest micro VM privilege escalation

Summary An issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM ultimately achieving arbitrary code execution as root in said VM. The current understinding is this doesn’t impact the security of the Host or of other containers / V...

USN-8052-1 linux-lowlatency vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...