hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem

A flaw was found in some of AMD CPU's due to improper or unexpected behavior of the INVD. This issue may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU, potentially leading to a loss of guest virtual machine VM memory integrity...

Ubuntu: Security Advisory (USN-6652-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

USN-6626-2 linux-lowlatency, linux-raspi vulnerabilities

Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-32250, CVE-2023-32252, CVE-2023-32257...

PT-2024-11954 · Undefined · Undefined

🚨Major Threat Alert: High Alert: AMD Processors Hit by Multiple Security Flaws - CVE-2023-20576 CVE-2023-20576 CVE-2023-20577 CVE-2023-20579 CVE-2023-20587 Chatter: 🔴 High Maturity: 💢 Emerging https://t.co/hiHfkLxSGd CyberSecurity ThreatIntel InfoSec...

MGASA-2024-0028 Updated microcode fixes bugs and a security vulnerability

The updated package contains microcode updates for Intel and AMD CPUs, including a fix for a security vulnerability: Sequence of processor instructions leads to unexpected behavior for some IntelR Processors may allow an authenticated user to potentially enable escalation of privilege and/or...

USN-6604-2: Linux kernel (Azure) vulnerabilities

It was discovered that the ASUS HID driver in the Linux kernel did not properly handle device removal, leading to a use-after-free vulnerability. A local attacker with physical access could plug in a specially crafted USB device to cause a denial of service system crash. CVE-2023-1079 Jana Hofman...

Ubuntu: Security Advisory (USN-6602-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Ubuntu 16.04 ESM : Linux kernel vulnerabilities (USN-6602-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6602-1 advisory. Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from divisio...

EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2024-1011)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on...

USN-6577-1: Linux kernel (AWS) vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

PT-2024-1555 · Amd · Amd Sev-Snp

Name of the Vulnerable Software and Affected Versions: AMD SEV-SNP affected versions not specified Description: A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests, potentially resulting in guests not receiving expected debug information. The issue is related to the...

UBUNTU-CVE-2023-34328

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of...

UBUNTU-CVE-2023-34327

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. AMD CPUs since 2014 have extensions to normal x86 debugging functionality. Xen supports guests using these extensions. Unfortunately there are errors in Xen's handling of...

amd: Return Address Predictor vulnerability leading to information disclosure

A side channel vulnerability was found in hw amd. Some AMD CPUs may allow an attacker to influence the return address prediction. This issue may result in speculative execution at an attacker-controlled instruction pointer register, potentially leading to information disclosure...

KB5033427: Windows Server 2008 Security Update (December 2023)

The remote Windows host is missing security update 5033427. It is, therefore, affected by multiple vulnerabilities - Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability CVE-2023-36006 - A division-by-zero error on some AMD processors can potentially return speculativ...

KB5033379: Windows 10 LTS 1507 Security Update (December 2023)

The remote Windows host is missing security update 5033379. It is, therefore, affected by multiple vulnerabilities - Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability CVE-2023-36006 - Win32k Elevation of Privilege Vulnerability CVE-2023-36011 - A division-by-zero...

Ubuntu: Security Advisory (USN-6533-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

The vulnerability of the INVD processor instruction for virtual machines running on AMD-processor-based servers allows a hacker to cause a loss of memory integrity in the guest virtual machine.

The vulnerability of the INVD processor instruction for virtual machines running on AMD-processor servers is related to the loss or omission of information. Exploiting this vulnerability can allow a malicious actor to cause the guest virtual machine’s memory to be compromised...

USN-6532-1: Linux kernel vulnerabilities

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. CVE-2023-20593 Yu Hao discovered that the UBI driver in the Linux kernel did not properly check...

USN-6497-1: Linux kernel (OEM) vulnerabilities

Maxim Levitsky discovered that the KVM nested virtualization SVM implementation for AMD processors in the Linux kernel did not properly handle x2AVIC MSRs. An attacker in a guest VM could use this to cause a denial of service host kernel crash. CVE-2023-5090 Alon Zahavi discovered that the...