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CVE-2026-86564

Dpdk: dpdk: missing length validation before reading command_data in virtio-net control queue handler

A flaw was found in DPDK lib/vhost. Missing length validation before reading command_data in the virtio-net control-queue handler can cause an out-of-bounds read and a host process crash.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Vendors
Dpdk Red Hat Redhat
Products
Dpdk Enterprise Linux Fast Datapath For Rhel 10 and 5 more
CVE-2026-86846

Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto

A flaw was found in DPDK lib/vhost vhost-crypto. A guest can supply an avail-ring descriptor index that is used without bounds checking, causing an out-of-bounds write in the host vhost-crypto backend.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Dpdk Redhat
Products
Dpdk Enterprise Linux Openshift and 1 more
CVE-2026-86566

Dpdk: dpdk: guest with runt rx descriptors underflows copy length in vhost enqueue (split and packed rings)

A flaw was found in DPDK lib/vhost. A guest with runt RX descriptors can underflow the copy length in vhost enqueue, causing a denial of service in a shared vhost backend such as OVS-DPDK.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Dpdk Red Hat Redhat
Products
Dpdk Enterprise Linux Enterprise Linux and 3 more
CVE-2026-86561

Dpdk: dpdk: missing memory size validation before mmap in vhost memory region setup

A flaw was found in DPDK lib/vhost. Memory size is not adequately validated before mmap during vhost memory-region setup, which can lead to a host crash or memory corruption.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Dpdk Red Hat Redhat
Products
Dpdk Enterprise Linux Enterprise Linux and 5 more
CVE-2026-100236

Dpdk: dpdk: heap out-of-bounds read/write in gso header copy

A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Dpdk Redhat
Products
Dpdk Enterprise Linux Openshift and 1 more
CVE-2026-86567

Dpdk: dpdk: vduse handler fails to invalidate vring pointers when iotlb is invalidated, leading to use-after-unmap

A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Dpdk Red Hat Redhat
Products
Dpdk Enterprise Linux Enterprise Linux and 5 more
CVE-2026-86565

Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write

A flaw was found in DPDK lib/vhost. A guest can desynchronize virtqueue size from inflight descriptor table size, causing an out-of-bounds write in the host vhost process.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Dpdk Red Hat Redhat
Products
Dpdk Enterprise Linux Enterprise Linux and 5 more
CVE-2022-2132

dpdk: DoS when a Vhost header crosses more than two descriptors and exhausts all mbufs

A permissive list of allowed inputs flaw was found in DPDK. This issue allows a remote attacker to cause a denial of service triggered by sending a crafted Vhost header to DPDK.

CVSS 3.1 · 8.6 High EPSS 2.4% KEV · Not listed
Vendors
Debian Dpdk Fedoraproject and 1 more
Products
Debian Linux Data Plane Development Kit Fedora and 12 more
CVE-2022-0669

dpdk: sending vhost-user-inflight type messages could lead to DoS

A flaw was found in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds as ancillary data to VHOST_USER_GET_INFLIGHT_FD / VHOST_USER_SET_INFLIGHT_FD messages that are not closed by the vhost-user slave. By sending such messages continuously, the vhost-user master exhausts available fd in the vhost-user slave process, leading to a denial of service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Dpdk Openvswitch Redhat
Products
Data Plane Development Kit Openvswitch Enterprise Linux and 1 more
CVE-2021-3839

DPDK: out-of-bounds read/write in vhost_user_set_inflight_fd() may lead to crash

A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate `msg->payload.inflight.num_queues`, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability.

CVSS 3.1 · 7.5 High EPSS 1.8% KEV · Not listed
Vendors
Dpdk Fedoraproject Redhat
Products
Data Plane Development Kit Fedora Enterprise Linux and 1 more
CVE-2020-14378

dpdk: partial Denial of Service due to Integer Underflow

An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. An attacker could cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used this could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Opensuse
Products
Ubuntu Linux Data Plane Development Kit Leap
CVE-2020-14377

dpdk: write_back_data buffer over read (cipher->para.dst_data_len & desc->len)

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A complete lack of validation of attacker-controlled parameters can lead to a buffer over read. The results of the over read are then written back to the guest virtual machine memory. This vulnerability can be used by an attacker in a virtual machine to read significant amounts of host memory. The highest threat from this vulnerability is to data confidentiality and system availability.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Opensuse
Products
Ubuntu Linux Data Plane Development Kit Leap
CVE-2020-14376

dpdk: buffer overflow copying iv_data from guest to host (prepare_sym_cipher_op & prepare_sym_chain_op)

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A lack of bounds checking when copying iv_data from the VM guest memory into host memory can lead to a large buffer overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Opensuse
Products
Ubuntu Linux Data Plane Development Kit Leap
CVE-2020-14375

dpdk: time-of-check time-of-use vulnerabilities throughout vhost_crypto.c

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Opensuse
Products
Ubuntu Linux Data Plane Development Kit Leap
CVE-2020-14374

dpdk: remote Code Execution in vhost_crypto (VM Escape)

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A flawed bounds checking in the copy_data function leads to a buffer overflow allowing an attacker in a virtual machine to write arbitrary data to any address in the vhost_crypto application. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Opensuse
Products
Ubuntu Linux Data Plane Development Kit Leap
CVE-2020-10726

dpdk: librte_vhost VHOST_USER_GET_INFLIGHT_FD message flooding to result in a DoS

A vulnerability was found in DPDK versions 19.11 and above. A malicious container that has direct access to the vhost-user socket can keep sending VHOST_USER_GET_INFLIGHT_FD messages, causing a resource leak (file descriptors and virtual memory), which may result in a denial of service.

CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
Dpdk Fedoraproject Opensuse and 2 more
Products
Data Plane Development Kit Fedora Leap and 2 more
CVE-2020-10725

dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor

A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.

CVSS 3.1 · 7.7 High EPSS 2.2% KEV · Not listed
Vendors
Dpdk Fedoraproject Opensuse and 2 more
Products
Data Plane Development Kit Fedora Leap and 3 more
CVE-2020-10724

dpdk: librte_vhost Missing inputs validation in Vhost-crypto

A vulnerability was found in DPDK versions 18.11 and above. The vhost-crypto library code is missing validations for user-supplied values, potentially allowing an information leak through an out-of-bounds memory read.

CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Fedoraproject and 1 more
Products
Ubuntu Linux Data Plane Development Kit Fedora and 2 more
CVE-2020-10723

dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair()

A memory corruption issue was found in DPDK versions 17.05 and above. This flaw is caused by an integer truncation on the index of a payload. Under certain circumstances, the index (a UInt) is copied and truncated into a uint16, which can lead to out of bound indexing and possible memory corruption.

CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Dpdk Fedoraproject and 3 more
Products
Ubuntu Linux Data Plane Development Kit Fedora and 7 more