14641 matches found
Windows Hyper-V Privilege Escalation
The vulnerability of the Windows Hyper-V hardware virtualization system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to gain increased privileges...
CVE-2021-26349
Failure to assign a new report ID to an imported guest may potentially result in an SEV-SNP guest VM being tricked into trusting a dishonest Migration Agent MA...
CVE-2021-38969
IBM Spectrum Virtualize 8.2, 8.3, and 8.4 could allow an attacker to allow unauthorized access due to the reuse of support generated credentials. IBM X-Force ID: 212609...
Moderate: Red Hat Security Advisory: virt:av and virt-devel:av security update
An update for the virt:av and virt-devel:av modules is now available for Advanced Virtualization for RHEL 8.6. 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...
AMD CPU encryption vulnerabilities
AMD CPUs are a family of CPUs from AMD in the United States. A security vulnerability exists in AMD CPUs. An attacker could exploit this vulnerability to infer the data values used by the SEV guest on an AMD CPU by monitoring the ciphertext values...
RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2022:1759)
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1759 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contai...
CVE-2021-46744
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time...
CVE-2021-26342
In SEV guest VMs, the CPU may fail to flush the Translation Lookaside Buffer TLB following a particular sequence of operations that includes creation of a new virtual machine control block VMCB. The failure to flush the TLB may cause the microcode to use stale TLB translations which may allow for...
CVE-2021-26324
A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs...
kernel: KVM: SVM: out-of-bounds read/write in sev_es_string_io
A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...
kernel: KVM: SVM: out-of-bounds read/write in sev_es_string_io
A flaw was found in the KVM's AMD code for supporting the Secure Encrypted Virtualization-Encrypted State SEV-ES. A KVM guest using SEV-ES can trigger out-of-bounds reads and writes in the host kernel via a malicious VMGEXIT for a string I/O instruction for example, outs or ins using the exit...
Release of Technical Report into the AMD Security Processor
Posted by James Forshaw, Google Project Zero Today, members of Project Zero and the Google Cloud security team are releasing a technical report on a security review of AMD Secure Processor ASP. The ASP is an isolated ARM processor in AMD EPYC CPUs that adds a root of trust and controls secure...
PT-2022-2445 · Microsoft · Windows Hyper-V +1
Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: The issue is related to errors in resource release in the Windows Hyper-V hardware virtualization system, which can be exploited to cause a denial of service. This allows attackers ...
AMD Secure Encrypted Virtualization security vulnerability
AMD Secure Encrypted Virtualization is a software application from AMD USA. Hardware-accelerated memory encryption to protect data in use. A security vulnerability exists in AMD Secure Encrypted Virtualization TMR that stems from a failure to verify that the SEV-ES TMR is not in MMIO space,...
AMD EPYC SEV-ES TMR security vulnerabilities
AMD EPYC is an x86 server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. A security vulnerability exists in AMD EPYC SEV-ES TMR. An attacker could exploit this vulnerability to cause a loss of memory integrity in SNP-active VMs...
AMD SEV-legacy security vulnerabilities
AMD Secure Encrypted Virtualization is a software application from AMD USA. Hardware-accelerated memory encryption to protect data in use. A security vulnerability exists in the AMD SEV-legacy firmware. An attacker could exploit the vulnerability to cause a loss of integrity or confidentiality of...
AMD Server Vulnerabilities - May 2022
Bulletin ID: AMD-SB-1028 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...
AMD Client Vulnerabilities – May 2022
Bulletin ID: AMD-SB-1027 Potential Impact: Varies by CVE, see descriptions below Severity: Varies by CVE, see descriptions below Summary During security reviews in collaboration with Google, Microsoft, and Oracle, potential vulnerabilities in the AMD Secure Processor ASP, AMD System Management Un...
Huawei EulerOS: Security Advisory for python-lxml (EulerOS-SA-2022-1691)
The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...
Huawei EulerOS: Security Advisory for gdisk (EulerOS-SA-2022-1692)
The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...