GSD-2021-1000505 x86/sev-es: Don't return NULL from sev_es_get_ghcb()

x86/sev-es: Don't return NULL from sevesgetghcb This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.40 by commit...

GSD-2021-1000492 x86/sev-es: Don't return NULL from sev_es_get_ghcb()

x86/sev-es: Don't return NULL from sevesgetghcb This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.7 by commit...

UVI-2021-1000492 x86/sev-es: Don't return NULL from sev_es_get_ghcb()

x86/sev-es: Don't return NULL from sevesgetghcb This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.7 by commit...

CVE-2020-12967

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor...

CVE-2021-26311

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

Design/Logic Flaw

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor...

Design/Logic Flaw

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

CVE-2021-26311

CVE-2021-26311 concerns AMD SEV/SEV-ES where memory can be rearranged in the guest address space without attestation detection, potentially enabling arbitrary code execution in a guest VM if a malicious administrator with server-hypervisor access acts. Documents cite the vulnerability in SEV/SEV-...

CVE-2021-26311 AMD Secure Encrypted Virtualization

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

CVE-2020-12967

CVE-2020-12967 relates to AMD SEV/SEV-ES: the lack of nested page table protection could allow arbitrary code execution in a guest VM if a malicious administrator gains control of the server hypervisor. Affected are AMD SEV/SEV-ES-enabled platforms (e.g., AMD EPYC family). The root cause is insuf...

CVE-2020-12967 AMD Secure Encrypted Virtualization

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor...

AMD Secure Encrypted Virtualization (SEV) Vulnerabilities - Lenovo Support US

No description provided...

AMD Secure Encrypted Virtualization

Bulletin ID: AMD-SB-1004 Potential Impact: Arbitrary Code Execution Severity: Medium Summary AMD is aware of 2 research papers related to AMD’s Secure Encrypted Virtualization SEV which will be presented at this year’s 15th IEEE Workshop on Offensive Technologies WOOT’21. In the paper titled...

CVE-2020-36311

A flaw was found in the Linux kernel. This flaw allows attackers to cause a denial of service soft lockup by triggering the destruction of a large SEV VM, which requires unregistering many encrypted regions. The highest threat from this vulnerability is to system availability...

CVE-2020-36311

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

CVE-2020-36311

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

CVE-2020-36311

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

Design/Logic Flaw

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

UBUNTU-CVE-2020-36311

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

Linux kernel denial of service vulnerability (CNVD-2021-29472)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in arch/x86/kvm/svm/sev.c in Linux kernel versions prior to 5.9. An attacker...