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...

EUVD-2018-2544

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2024-40767

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In OpenStack Nova before 27.4.1, 28 before 28.2.1, and 29 before 29.1.1, by supplying a raw format image that is actually a crafted QCOW2 image with a backing...

openstack-nova: Regression VMDK/qcow arbitrary file access

An arbitrary file access flaw was found in Nova. By supplying a RAW format image, a specially crafted QCOW2 image with a backing file path, or a VMDK flat image with a descriptor file path, an authenticated user may convince systems to return a copy of the referenced file’s contents from the...

openstack-nova: Regression VMDK/qcow arbitrary file access

An arbitrary file access flaw was found in Nova. By supplying a RAW format image, a specially crafted QCOW2 image with a backing file path, or a VMDK flat image with a descriptor file path, an authenticated user may convince systems to return a copy of the referenced file’s contents from the...

OpenStack: malicious qcow2/vmdk images

An input validation flaw was discovered in how multiple OpenStack services validate images with backing file references. An authenticated attacker could provide a malicious image via upload, or by creating and modifying an image from an existing volume. Validation of images can be triggered durin...

OpenStack: malicious qcow2/vmdk images

An input validation flaw was discovered in how multiple OpenStack services validate images with backing file references. An authenticated attacker could provide a malicious image via upload, or by creating and modifying an image from an existing volume. Validation of images can be triggered durin...

In Lima, a malicious disk image could read a single file on the host filesystem as a qcow2/vmdk backing file

Note The official templates of Lima, and the well-known third party products Colima, Rancher Desktop, and Finch are unlikely to be affected by this issue. Impact A virtual machine instance with a malicious disk image could read a single file on the host filesystem, even when no filesystem is...

PT-2023-23959 · Lima · Lima

Name of the Vulnerable Software and Affected Versions: Lima versions prior to 0.16.0 Description: A virtual machine instance with a malicious disk image could read a single file on the host filesystem, even when no filesystem is mounted from the host. The attacker has to embed the target file pat...

SUSE CVE-2022-47951

An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and 21.0.0; Glance before 23.0.1, 24.x before 24.1.1, and 25.0.0; and Nova before 24.1.2, 25.x before 25.0.2, and 26.0.0. By supplying a specially created VMDK flat image that references a specific backing file path, a...

openstack: Arbitrary file access through custom VMDK flat descriptor

A flaw was found in OpenStack-nova, Openstack-glance, and Openstack-cinder. By supplying a specially created VMDK flat image that references a specific backing file path, an authenticated user may convince systems to return a copy of that file's contents from the server, resulting in unauthorized...

SUSE CVE-2015-5163

The import task action in OpenStack Image Service Glance 2015.1.x before 2015.1.2 kilo, when using the V2 API, allows remote authenticated users to read arbitrary files via a crafted backing file for a qcow2 image...

UBUNTU-CVE-2022-47951

An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and 21.0.0; Glance before 23.0.1, 24.x before 24.1.1, and 25.0.0; and Nova before 24.1.2, 25.x before 25.0.2, and 26.0.0. By supplying a specially created VMDK flat image that references a specific backing file path, a...

CVE-2022-47951

A flaw was found in OpenStack-nova, Openstack-glance, and Openstack-cinder. By supplying a specially created VMDK flat image that references a specific backing file path, an authenticated user may convince systems to return a copy of that file's contents from the server, resulting in unauthorized...

GHSA-Q73F-VJC2-3GQF OpenStack Image Service (Glance) allows remote authenticated users to read arbitrary file

The import task action in OpenStack Image Service Glance 2015.1.x before 2015.1.2 kilo, when using the V2 API, allows remote authenticated users to read arbitrary files via a crafted backing file for a qcow2 image...

OpenStack Image Service (Glance) allows remote authenticated users to read arbitrary file

The import task action in OpenStack Image Service Glance 2015.1.x before 2015.1.2 kilo, when using the V2 API, allows remote authenticated users to read arbitrary files via a crafted backing file for a qcow2 image...

Denial Of Service (DoS)

ph-dao is vulnerable to denial of serviceDoS attack. The attacker can trigger DoS when AbstractWALDAO is used without a backing file...

DEBIAN-CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

UBUNTU-CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

openstack-nova: Host data leak through resize/migration

An information-exposure flaw was found in the OpenStack Compute nova resize and migrate functionality. An authenticated user could write a malicious qcow header to an ephemeral or root disk, referencing a block device as a backing file. With a subsequent resize or migration, file system content o...