Fedora 32 : xen (2021-16c9c40d4d)

The remote Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-16c9c40d4d advisory. - An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the...

CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

Code injection

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

CVE-2021-3308

CVE-2021-3308 affects the Xen hypervisor (notably Xen 4.12.3–4.12.4 and 4.13.1–4.14.x). An x86 HVM guest with PCI passthrough can reboot with MSI/MSI-X enabled to exhaust all IDT vectors, leaking MSI(-X) entries and causing a DoS for PCI devices across guests or the host. The issue is triggered b...

CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

openSUSE Security Update : gcc7 (openSUSE-2020-2301)

This update for gcc7 fixes the following issues : - CVE-2020-13844: Added mitigation for aarch64 Straight Line Speculation issue bsc1172798 - Enable fortran for the nvptx offload compiler. - Update README.First-for.SuSE.packagers - avoid assembler errors with AVX512 gather and scatter instruction...

CVE-2020-4766

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093...

CVE-2020-4766

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093...

Code injection

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093...

CVE-2020-4766

IBM MQ Internet Pass-Thru affects versions 2.1 and 9.2. A remote user can cause a denial-of-service by sending malformed MQ data requests that exhaust resources. Root cause: improper handling of malformed input in the protocol bridge component. Remediation: apply FixPack 2.1.0.5 for 2.1 ( Solaris...

CVE-2020-4766

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093...

IRQ vector leak on x86

ISSUE DESCRIPTION An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors used by the MSI-X entries that the guest might had enabled, a...

Security Bulletin: IBM MQ Internet Pass-Thru is vulnerable to a denial of service attack (CVE-2020-4766)

Summary An issue was found within IBM MQ Internet Pass-Thru that could allow an attacker to execute a denial of service attack. Vulnerability Details CVEID: CVE-2020-4766 DESCRIPTION: IBM MQ Internet Pass-Thru could allow a remote user to cause a denial of service by sending malformed MQ data...

IBM MQ Internet Pass-Thru 资源管理错误漏洞

IBM MQ Internet Pass-Thru is an American IBM product used to support the realization of messaging between remote sites on the Internet. The product is an extended functionality component of IBM MQ that acts as a protocol channel or proxy for establishing protocols during interactions, making it...

CVE-2020-4766

IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093...

Cloud Attacks Are Bypassing MFA, Feds Warn

The Feds are warning that cybercriminals are bypassing multi-factor authentication MFA and successfully attacking cloud services at various U.S. organizations. According to an alert issued Wednesday by the Cybersecurity and Infrastructure Security Agency CISA, there have been “several recent...

App Layering Recipe for NVIDIA GPU

Overview vSphere supports several ways to use NVIDIA graphics cards to provide GPU functionality to virtual machines. These include: Virtual Shared Graphics Acceleration vSGA Virtual Dedicated Graphics Acceleration vDGA Virtual Shared Pass-Through Graphics Acceleration vGPU These will be explaine...