CVE-2023-31352

A bug in the SEV firmware may allow an attacker with privileges to read unencrypted memory, potentially resulting in loss of guest private data...

CVE-2023-31352

A bug in the SEV firmware may allow an attacker with privileges to read unencrypted memory, potentially resulting in loss of guest private data...

CVE-2023-31352

CVE-2023-31352 describes a bug in the SEV firmware that may allow a privileged attacker to read unencrypted memory, potentially exposing guest private data. The affected technology is AMD SEV/ASP firmware used for AMD Secure Encrypted Virtualization; Red Hat and other sources cite the same vulner...

K000149745: AMD CPU ROM Vulnerability CVE-2024-56161

Security Advisory Description Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP...

[SECURITY] Fedora 41 Update: rust-snphost-0.5.0-3.fc41

Administrative utility for AMD SEV-SNP...

AMD SEV-SNP Vulnerability Allows Malicious Microcode Injection with Admin Access

A security vulnerability has been disclosed in AMD's Secure Encrypted Virtualization SEV that could permit an attacker to load a malicious CPU microcode under specific conditions. The flaw, tracked as CVE-2024-56161 , carries a CVSS score of 7.2 out of 10.0, indicating high severity. "Improper...

DEBIAN-CVE-2024-56161

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP...

CVE-2024-56161

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP...

CVE-2024-56161

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP...

AMD SEV Confidential Computing Vulnerability

AMD ID: AMD-SB-3019 Potential Impact: Loss of the SEV-based protection of a confidential guest. Severity: High Summary Researchers from Google®have provided AMD with information on a potential vulnerability that, if successfully exploited, could lead to the loss of SEV-based protection of a...

Security update for kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-t

This update for kubevirt, virt-api-container, virt-controller-container, virt-exportproxy-container, virt-exportserver-container, virt-handler-container, virt-launcher-container, virt-libguestfs-tools-container, virt-operator-container, virt-pr-helper-container fixes the following issues: Update ...

CVE-2024-55881 KVM: x86: Play nice with protected guests in complete_hypercall_exit()

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Play nice with protected guests in completehypercallexit Use is64bithypercall instead of is64bitmode to detect a 64-bit hypercall when completing said hypercall. For guests with protected state, e.g. SEV-ES and SEV-SNP,...

SUSE CVE-2024-21978

Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption...

CVE-2024-21978

A flaw was found in the AMD firmware. This vulnerability allows a malicious hypervisor to read or overwrite guest memory, potentially leading to data leakage or data corruption. Mitigation Mitigation for this issue is either not available or the currently available options do not meet the Red Hat...

Undermining Integrity Features of SEV-SNP with Memory Aliasing

AMD ID: AMD-SB-3015 Potential Impact: Loss of Integrity Severity: Medium Summary A team of researchers has reported to AMD that it may be possible to modify serial presence detect SPD metadata to make an attached memory module appear larger than it is, potentially allowing an attacker to overwrit...

QEMU Root Shell Access Vulnerability

AMD ID: AMD-SB-3012 Potential Impact: Guest OS Root Shell Access from Malicious Host Severity: N/A Summary Researchers from the University of Tokyo shared with AMD a paper titled “A Root Shell Access Vulnerability in QEMU for AMD SEV-SNP Confidential Virtual Machines.” The research paper reports...

Security Bulletin: IBM Technical Support Appliance - possible access to stale data

Summary Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests. Vulnerability Details CVEID:CVE-2023-31346 DESCRIPTION: AMD SEV-SNP Firmware could allow a local authenticated attacker to obtain sensitive information, caused by the failu...

OESA-2024-2367 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL pointer check for kzalloc Why & How Check return pointer of kzalloc before using it.CVE-2024-42122 In the Linux kernel, the following...

AlmaLinux 9 : linux-firmware (ALSA-2024:7484)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:7484 advisory. kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity CVE-2023-20584 kernel: hw: amd:Incomplete system memo...

AlmaLinux 8 : linux-firmware (ALSA-2024:7481)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:7481 advisory. kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity CVE-2023-20584 kernel: hw: amd:Incomplete system memo...