CVE-2021-22040

VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host...

QEMU 数字错误漏洞

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 code issue vulnerability exists in QEMU, which stems from a found a division by zero issue in the dwc2handlepacket handler package in the...

Microsoft Windows splwow64 Out-Of-Bounds Read Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the user-mode...

QEMU msix_table_mmio_write() buffer overflow vulnerability

QEMU is a suite of analog processor software. A buffer overflow vulnerability exists in QEMU msixtablemmiowrite. An attacker could exploit the vulnerability to crash the QEMU process on the host, resulting in a denial of service...

CVE-2020-17380

A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhcisdmatransfermultiblocks routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the...

Lazarus Group Surfaces with Advanced Malware Framework

The North Korea-linked APT known as Lazarus Group has debuted an advanced, multipurpose malware framework, called MATA, to target Windows, Linux and macOS operating systems. Kaspersky researchers uncovered a series of attacks utilizing MATA so-called because the malware authors themselves call...

Domain controller freezes when an event subscription manager list is long in Windows 7 and Windows Server 2008 R2

Domain controller freezes when an event subscription manager list is long in Windows 7 and Windows Server 2008 R2 Symptoms Assume that a domain consists of Windows 7 Service Pack 1 SP1 and Windows Server 2008 R2 SP1 servers and clients. Additionally, an event subscription manager list that is...

DEBIAN-CVE-2019-20175

An issue was discovered in idedmacb in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSIIOCTLSENDCOMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 the size...

CVE-2019-5540

VMware Workstation 15.x before 15.5.1 and Fusion 11.x before 11.5.1 contain an information disclosure vulnerability in vmnetdhcp. Successful exploitation of this issue may allow an attacker on a guest VM to disclose sensitive information by leaking memory from the host process...

Information disclosure

VMware Workstation 15.x before 15.5.1 and Fusion 11.x before 11.5.1 contain an information disclosure vulnerability in vmnetdhcp. Successful exploitation of this issue may allow an attacker on a guest VM to disclose sensitive information by leaking memory from the host process...

QEMU: slirp: heap buffer overflow during packet reassembly

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the ipreass routine while reassembling incoming packets if the first fragment is bigger than the m-mdat buffer. An attacker could use this flaw to crash the QEMU process on the...

Denial Of Service (DoS)

spice-server is vulnerable to denial of service. A memory allocation flaw, leading to a heap-based buffer overflow, was found in spice's smartcard interaction, which runs under the QEMU-KVM context on the host. A user connecting to a guest VM using spice could potentially use this flaw to crash t...

Arbitrary Code Execution

QEMU is vulnerable to arbitrary code execution. An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on...

CVE-2016-8577

Memory leak in the v9fsread function in hw/9pfs/9p.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service memory consumption via vectors related to an I/O read operation...

Red Hat SPICE is vulnerable

Red Hat SPICE is an adaptive telepresence open-source protocol used by Red Hat's Enterprise Virtualized Desktop Edition to connect users to their virtual desktops, providing the exact same end-user experience as a physical desktop. A security vulnerability exists in Red Hat SPICE. The vulnerabili...

qemu: incorrect banked access bounds checking in vga module

An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU...

spice: insufficient validation of surface_id parameter can cause crash

A heap-based buffer overflow flaw was found in the way spice handled certain QXL commands related to the "surfaceid" parameter. A user in a guest could use this flaw to crash the host QEMU-KVM process or, possibly, execute arbitrary code with the privileges of the host QEMU-KVM process...

qemu: cirrus: insufficient blit region checks

It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host's QEMU process address space with attacker-provided data...

DSA-3088-1 qemu-kvm - security update

Bulletin has no description...

MGASA-2014-0467 Updated qemu packages fix security vulnerabilities

The Advanced Threat Research team at Intel Security reported that guest provided parameter were insufficiently validated in rectangle functions in the vmware-vga driver. A privileged guest user could use this flaw to write into qemu address space on the host, potentially escalating their privileg...