The vulnerability of the lsi_do_msgout function in the QEMU hardware emulation software allows a hacker to trigger a service failure.

The vulnerability of the lsidomsgout function hw/scsi/lsi53c895a.c in the QEMU hardware emulation software is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to cause a system failure...

The vulnerability of the qxl_cursor() function in the QEMU hardware emulation software allows a hacker to execute arbitrary code.

The vulnerability of the qxlcursor function in the QEMU hardware emulation software is related to the copying of buffers without checking the size of the input data. Exploiting this vulnerability could allow a attacker to execute arbitrary code...

[SECURITY] Fedora 36 Update: qemu-6.2.0-12.fc36

qemu is an open source virtualizer that provides hardware emulation for the KVM hypervisor. qemu acts as a virtual machine monitor together with the KVM kernel modules, and emulates the hardware for a full system such as a PC and its associated peripherals...

USN-5489-1 qemu vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

USN-5489-1: QEMU vulnerabilities

Alexander Bulekov discovered that QEMU incorrectly handled floppy disk emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak sensitive information. CVE-2021-3507 It was discovered that QEMU incorrectly...

Trellix Threat Labs Uncovers Critical Flaws in Widely Used Building Access Control System

Trellix Threat Labs Uncovers Critical Flaws in Widely Used Building Access Control System By Trellix · June 9, 2022 This story was also written by Steve Povolny and Sam Quinn. Today at the Hardwear.io Security Trainings and Conference, Trellix Threat Labs is sharing new research into...

AWS-Threat-Simulation-and-Detection - Playing Around With Stratus Red Team (Cloud Attack Simulation Tool) And SumoLogic

This repository is a documentation of my adventures with Stratus Red Team - a tool for adversary emulation for the cloud. Stratus Red Team is "Atomic Red Team for the cloud, allowing to emulate offensive attack techniques in a granular and self-contained manner. We run the attacks covered in the...

Linux kernel 代码问题漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel. An attacker could force a dereference of the NULL pointer in the Linux kernel via x86emulateinsn to trigger a denial of...

OESA-2022-1679 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets...

NewStart CGSL MAIN 6.02 : qemu Multiple Vulnerabilities (NS-SA-2022-0067)

The remote NewStart CGSL host, running version MAIN 6.02, has qemu packages installed that are affected by multiple vulnerabilities: - A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfer from a SPIC...

EulerOS Virtualization 2.9.1 : qemu (EulerOS-SA-2022-1598)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue...

FirmWire -b Full-System Baseband Firmware Emulation Platform For Fuzzing, Debugging, And Root-Cause Analysis Of Smartphone Baseband Firmwares

FirmWire is a full-system baseband firmware analysis platform that supports Samsung and MediaTek. It enables fuzzing, root-cause analysis, and debugging of baseband firmware images. See theFirmWire documentation to get started! Experiments & Missing Parts? Upon a vendor's request, the current...

CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

DEBIAN-CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

UBUNTU-CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

CVE-2021-3750

A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions such as reset whi...

CVE-2021-3750

CVE-2021-3750 is a DMA reentrancy issue in QEMU’s USB EHCI controller emulation. EHCI may write to its own registers if a Buffer Pointer overlaps the MMIO region during a transfer, enabling a use-after-free that could crash the host QEMU process or, potentially, allow arbitrary code execution. Af...

AZL-35155 CVE-2021-4207 affecting package qemu for versions less than 6.2.0-18

A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values cursor-header.width and cursor-header.height can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use...