PT-2020-4727 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions up to 5.9.1 Xen versions up to 4.14.x Description: An issue in the Linux kernel allows guest OS users to cause a denial of service, resulting in a host OS hang, by sending a high rate of events to dom0. This issue is...

CVE-2020-16894

A denial of service vulnerability exists when Windows Network Address Translation NAT on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Design/Logic Flaw

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a...

CVE-2020-1243

CVE-2020-1243 affects Microsoft Hyper-V. The vulnerability arises when Hyper-V on a host does not properly validate certain malicious data from a guest VM, enabling a locally authenticated attacker with a guest-VM privilege to trigger a denial-of-service by running a specially crafted application...

CVE-2020-1243: Undefined Security Weakness

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a...

CVE-2020-16891: Improper Input Validation

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could...

Windows NAT Denial of Service Vulnerability

A denial of service vulnerability exists when Windows Network Address Translation NAT on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

Windows Hyper-V Remote Code Execution Vulnerability

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit the vulnerability, an attacker could run a specially crafted application on a guest operating system that could...

PT-2020-4333 · Microsoft · Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Microsoft Hyper-V affected versions not specified Description: A denial of service issue exists due to improper validation of malicious data from a user on a guest operating system. An attacker with a privileged account on a guest operating...

The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.

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Design/Logic Flaw

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a...

CVE-2020-0904: Improper Input Validation

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a...

CVE-2020-0890: Undefined Security Weakness

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a...

hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.

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In QEMU 5.0.0 and earlier megasas_lookup_frame in hw/scsi/megasas.c has an out-of-bounds read via a crafted reply_queue_head field from a guest OS user.

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CVE-2020-1032

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1036, CVE-2020-104...

CVE-2020-1036

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-104...

Remote code execution

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1036, CVE-2020-104...

CVE-2020-1040

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-103...

CVE-2020-1040

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-103...