CVE-2026-45782 Cloud Hypervisor: Use-after-free in virtio-block Async I/O Completion

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. From version 21.0 to before version 51.2, a guest can cause a use-after-free in the cloud-hypervisor process by submitting two virtio-block descriptor chains that reuse the same headindex while asynchronous block I/O is enabled e....

QEMU calc_image_hostmem Integer Overflow Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of QEMU. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the virtio-gpu driver. Th...

EulerOS Virtualization 2.13.1 : qemu (EulerOS-SA-2026-2156)

According to the versions of the qemu packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read vulnerability, potentially leading to a...

OESA-2026-2557 kata-containers security update

This is core component of Kata Container, to make it work, you need a isulad/docker engine. Security Fixes: 'This vulnerability was fixed in Kata Containers 3.31.0:', 'Description:\n\nIn the runtime-rs standalone virtio-fs path, Kata Containers runs virtiofsd\nas root with --sandbox none --seccom...

Linux Distros Unpatched Vulnerability : CVE-2026-46207

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to...

SUSE-SU-2026:21883-1 Security update for qemu

This update for qemu fixes the following issues - CVE-2025-14876: qemu-kvm: Unbounded allocation in virtio-crypto bsc1255400. - CVE-2026-0665: out-of-bounds heap access can lead to a denial of service or potential memory corruption bsc1256484. - CVE-2026-2243: incorrect bounds check leads to heap...

OESA-2026-2527 kata-containers security update

This is core component of Kata Container, to make it work, you need a isulad/docker engine. Security Fixes: 'This vulnerability was fixed in Kata Containers 3.31.0:', 'Description:\n\nIn the runtime-rs standalone virtio-fs path, Kata Containers runs virtiofsd\nas root with --sandbox none --seccom...

Bluetooth: virtio_bt: clamp rx length before skb_put

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Bluetooth: virtio_bt: validate rx pkt_type header length

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vsock/virtio: fix accept queue count leak on transport mismatch

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SUSE CVE-2026-46123

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: clamp rx length before skbput virtbtrxwork calls skbputskb, len where len comes directly from virtqueuegetbuf with no validation against the buffer we posted to the device. The RX skb is allocated in...

SUSE CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

SUSE CVE-2026-46207

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to copy the original payload in the new skb to be delivered to the vsockm...

SUSE CVE-2026-46214

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix accept queue count leak on transport mismatch virtiotransportrecvlisten calls skacceptqadded before vsockassigntransport. If vsockassigntransport fails or selects a different transport, the error path returns...

Linux Distros Unpatched Vulnerability : CVE-2026-46214

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: fix accept queue count leak on transport mismatch virtiotransportrecvlisten calls skacceptqadded before vsockassigntransport. If...

Linux Distros Unpatched Vulnerability : CVE-2026-46123

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: virtiobt: clamp rx length before skbput virtbtrxwork calls skbputskb, len where len comes directly from virtqueuegetbuf with no validation against th...

Linux Distros Unpatched Vulnerability : CVE-2026-46186

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe...

CVE-2026-46123

A flaw was found in the Linux kernel's virtio Bluetooth virtiobt driver. A malicious or faulty virtualized Bluetooth device could send a specially crafted message with an incorrect length. This could lead to the kernel reading uninitialized memory, potentially exposing sensitive information from...

CVE-2026-46186

A flaw was found in the Linux kernel's virtiobt Bluetooth virtual device driver. An untrusted backend can exploit this vulnerability by sending malformed Bluetooth packets with an insufficient header length. This can cause the system to read uninitialized kernel memory, potentially leading to...

SUSE-SU-2026:21912-1 Security update for qemu

This update for qemu fixes the following issues - CVE-2025-14876: qemu-kvm: Unbounded allocation in virtio-crypto bsc1255400. - CVE-2026-0665: out-of-bounds heap access can lead to a denial of service or potential memory corruption bsc1256484. - CVE-2026-2243: incorrect bounds check leads to heap...