Out-of-bounds Write

qemu is vulnerable to Out-of-bounds Write. The vulnerability is due to there is no proper bounds checking in the virtionetflushtx function of QEMU's virtio-net device when certain guest features are enabled. This oversight allows for a stack-based buffer overflow, enabling a malicious user to...

Oracle Linux 8 : virt:ol / and / virt-devel:rhel (ELSA-2024-0135)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-0135 advisory. hivex libguestfs libguestfs-winsupport libiscsi libnbd libtpms libvirt libvirt-dbus libvirt-python nbdkit netcf perl-Sys-Virt qemu-kvm 6.2.0-40.el89.2 - Resolve...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

AZL-40048 CVE-2023-6683 affecting package qemu for versions less than 6.2.0-21

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

UBUNTU-CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

Null pointer dereference

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683 Qemu: vnc: null pointer dereference in qemu_clipboard_request()

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683 Qemu: vnc: null pointer dereference in qemu_clipboard_request()

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

The CVE-2023-6683 issue affects the QEMU built‑in VNC server where ClientCutText processing can reach qemu_clipboard_request() before vnc_server_cut_text_caps() initializes the clipboard peer, causing a NULL pointer dereference. This can crash QEMU and lead to denial of service for a malicious au...

CVE-2023-6683 Qemu: vnc: null pointer dereference in qemu_clipboard_request()

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

CVE-2023-6683: NULL Pointer Dereference

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2024:0135)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:0135 advisory. QEMU: e1000e: heap use-after-free in e1000ewritepackettoguest CVE-2023-3019 Tenable has extracted the preceding description block directly from the AlmaLinux...

QEMU Security Vulnerabilities

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. A security vulnerability exists in QEMU that originates from a NULL pointer dereference, which causes QEMU to crash and trigger a denial of...

Moderate: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2024:0135)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0135 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packag...