HPESBHF04774 rev.1 - Certain HPE ProLiant Servers using AMD 3rd Generation and 4th Generation EPYC Processors, AMD-SB-3015, Undermining Integrity Features of SEV-SNP with Memory Aliasing (BadRAM)

Potential Security Impact: Local: Compromise of System Integrity SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE ProLiant DL145 Gen11 - Prior to v1.40 HPE ProLiant DL325 Gen11 Server - Prior to v2.30 HPE ProLiant DL345 Gen11 Server - Prior to v2.30 HPE ProLiant DL365 Gen11...

PT-2026-7453

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality...

PT-2026-7452

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality...

kernel: x86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type

A vulnerability in the Linux kernel affected the x86/mm code, specifically in the pfntokaddr macro. The issue arises when the macro does not correctly handle input as a 64-bit type, causing crashes on 64-bit platforms, especially for SEV-SNP guests, when processing addresses above the 1TB range...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

AMD Secure Processor和AMD Secure Encrypted Virtualization 安全漏洞

AMD Secure Encrypted Virtualization and AMD Secure Processor ASP are both products of Ultraviolet Semiconductor AMD, Inc.AMD Secure Encrypted Virtualization is a software application. Hardware-accelerated memory encryption to protect data in use.AMD Secure Processor is a standalone ARM Coretex-A5...

Guest Memory Vulnerabilities

AMD ID: AMD-SB-3011 Potential Impact: Confidentiality and Integrity Severity: High Summary A researcher has reported to AMD three potential vulnerabilities in Secure Encrypted Virtualization – Secure Nested Paging SEV-SNP. The reports detail ways that a malicious hypervisor controlled by the host...

The vulnerability of the SEV-SNP and SEV-ES mechanisms in Linux operating systems allows attackers to compromise the confidentiality and integrity of protected information.

The vulnerability of the SEV-SNP and SEV-ES mechanisms in Linux operating systems stems from incorrect neutralization of special elements in the output data used by the incoming component. Exploiting this vulnerability allows an attacker to compromise the confidentiality and integrity of the...

hw: amd: Instruction raise #VC exception at exit

A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the...

DEBIAN-CVE-2024-25743

In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES...

hw: amd: Instruction raise #VC exception at exit

A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the...

hw: amd: Instruction raise #VC exception at exit

A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the...

The vulnerability of the SEV-SNP secure nested paging implementation for virtual machines running on AMD processor-based servers allows a attacker to compromise the integrity of the protected information.

The vulnerability of the SEV-SNP secure nested paging implementation for virtual machines running on AMD processor-based servers is related to improper cleaning or release of resources. Exploiting this vulnerability can allow a malicious actor to compromise the integrity of the protected...

PT-2024-5040 · Linux +6 · Linux Kernel +6

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.9 Description: The issue is related to the implementation of the SEV-SNP and SEV-ES protective mechanisms in the Linux kernel, which can be exploited by an untrusted hypervisor to inject virtual interrupts and...

CVE-2023-20573 Debug Exception Delivery in Secure Nested Paging

A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information...