CVE-2023-3255 Qemu: vnc: infinite loop in inflate_buffer() leads to denial of service

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the inflatebuffer function. This could allow a remote authenticated client who is able to send a...

CVE-2023-3255

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the inflatebuffer function. This could allow a remote authenticated client who is able to send a...

CVE-2023-3301

CVE-2023-3301 describes a race condition in QEMU’s hot-unplug of virtio-net NICs where the net device backend can be cleared before the PCI frontend is unplugged, enabling a malicious guest to trigger an assertion and cause a denial of service. Public documents confirm a vulnerability in QEMU wit...

CVE-2023-3301 Triggerable assertion due to race condition in hot-unplug

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service...

CVE-2023-3301 Triggerable assertion due to race condition in hot-unplug

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service...

CVE-2023-3301 Triggerable assertion due to race condition in hot-unplug

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service...

CVE-2023-3301

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service...

CVE-2022-36648 affecting package qemu for versions less than 6.2.0-17

CVE-2022-36648 affecting package qemu for versions less than 6.2.0-17. A patched version of the package is available...

qemu-kvm security and bug fix update

7.2.0-14.el92.5 - rhel guest failed boot with multi disks on error Failed to start udev Wait for Complete Device Initialization - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service - hotplug/hotunplug mlx vdpa device to the...

Oracle Linux 9 : qemu-kvm (ELSA-2023-5094)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-5094 advisory. - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service Tenable has extracted the preceding...

CVE-2023-3255: Loop with Unreachable Exit Condition

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the inflatebuffer function. This could allow a remote authenticated client who is able to send a...

CVE-2023-2680: Use After Free

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750...

CVE-2023-3301: Reachable Assertion

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service...

CVE-2023-42467

A denial of service vulnerability was found in the qemu package. A division by zero in the scsidiskreset function can cause QEMU and the guest to stop immediately...

Important: Red Hat Security Advisory: qemu-kvm security and bug fix update

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service

A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QE...

Important: qemu-kvm security and bug fix update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote...

ALSA-2023:5094 Important: qemu-kvm security and bug fix update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fixes: QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote...

RHEL 9 : qemu-kvm (RHSA-2023:5094)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:5094 advisory. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the...

CVE-2023-42467

QEMU through 8.0.0 could trigger a division by zero in scsidiskreset in hw/scsi/scsi-disk.c because scsidiskemulatemodeselect does not prevent s-qdev.blocksize from being 256. This stops QEMU and the guest immediately...