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...

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 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 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

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...

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...

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...

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...

CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2024:0135)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2024:0135 advisory. - A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to...

Ubuntu: Security Advisory (USN-6567-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6567-1: QEMU vulnerabilities

Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. CVE-2020-14394 It w...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : QEMU vulnerabilities (USN-6567-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6567-1 advisory. Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attack...

CVE-2022-36648

A NULL pointer dereference bug was found in the rocker device emulated ethernet switch of QEMU. The rockertlvparsenested function could return early because of no group ids in the grouptlvs array. In such case, the tlvs pointer is NULL and tlvsi + 1 in the next for-loop iteration ends up...

SUSE CVE-2023-6693

A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtionetflushtx function if guest features VIRTIONETFHASHREPORT, VIRTIOFVERSION1 and VIRTIONETFMRGRXBUF are enabled. This could allow a malicious user to overwrite local variables...

CVE-2023-6693

A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtionetflushtx function if guest features VIRTIONETFHASHREPORT, VIRTIOFVERSION1 and VIRTIONETFMRGRXBUF are enabled. This could allow a malicious user to overwrite local variables...

DEBIAN-CVE-2023-6693

A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtionetflushtx function if guest features VIRTIONETFHASHREPORT, VIRTIOFVERSION1 and VIRTIONETFMRGRXBUF are enabled. This could allow a malicious user to overwrite local variables...