New Research Reveals Spectre Vulnerability Persists in Latest AMD and Intel Processors

More than six years after the Spectre security flaw impacting modern CPU processors came to light, new research has found that the latest AMD and Intel processors are still susceptible to speculative execution attacks. The attack, disclosed by ETH Zürich researchers Johannes Wikner and Kaveh...

microcode_ctl bug fix and enhancement update

An update is available for microcodectl. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The microcodectl packages provide microcode updates for Intel and AMD...

microcode_ctl bug fix and enhancement update

An update is available for microcodectl. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The microcodectl packages provide microcode updates for Intel and AMD...

USN-7077-1 amd64-microcode vulnerability

Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode SMM configuration when the SMM Lock was enabled. A privileged local attacker could possibly use this issue to further escalate their privileges and execute...

USN-7077-1: AMD Microcode vulnerability

Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode SMM configuration when the SMM Lock was enabled. A privileged local attacker could possibly use this issue to further escalate their privileges and execute...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : AMD Microcode vulnerability (USN-7077-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has a package installed that is affected by a vulnerability as referenced in the USN-7077-1 advisory. Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access ...

Moderate: Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 9. The microcodectl packages provide microcode updates for Intel and AMD processors. Bug Fixes and Enhancements: microcodectl: kernel: local privilege escalation on Intel microcode on IntelR XeonR rhel-9.4.0 JIRA:RHEL-30860...

ROS-20240902-02

A vulnerability in the implementation of the INVD processor instruction for virtual machines running on servers with AMD processors is associated with loss or omission of information. AMD processors is associated with information loss or skipping. Exploitation of the vulnerability could allow An...

HPESBHF04687 rev.1 - Certain HPE SimpliVity AMD Servers Using Certain AMD EPYC Processors, AMD-SB-3003: AMD Server Vulnerabilities, Multiple Vulnerabilities

Potential Security Impact: Local: Arbitrary Code Execution, Denial of Service DoS, Disclosure of Privileged Information, Buffer Overflow SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE SimpliVity 325 Gen 11 - Prior to HPE SimpliVity Support Pack SVTSP version SVTSPGen11-202407...

kernel: KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()

A security vulnerability was identified in the Linux kernel's Kernel-based Virtual Machine subsystem KVM, specifically affecting the Secure Virtual Machine SVM feature used on AMD processors. The issue arises from a use-after-free condition in the svmregisterencregion function, which can lead to...

kernel: KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()

A security vulnerability was identified in the Linux kernel's Kernel-based Virtual Machine subsystem KVM, specifically affecting the Secure Virtual Machine SVM feature used on AMD processors. The issue arises from a use-after-free condition in the svmregisterencregion function, which can lead to...

kernel: Reserved fields in guest message responses may not be zero initialized

A flaw was found in some AMD CPUs where the guest message responses have not been zero-initialized. This issue may allow a local attacker with the ability to run arbitrary code on a container or virtual machine to discover sensitive information contained in the host system's memory...

CBL Mariner 2.0 Security Update: kernel (CVE-2019-3016)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2019-3016 advisory. - In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel May be able to read memory...

UBUNTU-CVE-2022-48731

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid scanning potential huge holes When using devmrequestfreememregion and devmmemremappages to add ZONEDEVICE memory, if requested free mem region's end pfn were hugee.g., 0x400000000, the nodeendpfn will be also...

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...

EulerOS Virtualization 3.0.6.6 : kernel (EulerOS-SA-2024-1672)

"According to the versions of the kernel package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Vulnerability Summary for CVE-2023-39197CVE-2023-39197 A race condition was found in the QXL driver in the Linux kernel. The...

VMware ESXi 6.5 / 6.7 / 7.0 Multiple Vulnerabilities (VMSA-2022-0020)

The remote VMware ESXi host is version 6.5, 6.7 or 7.0 and is affected by multiple vulnerabilities, as follows: - Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with...

AMD CPU Competitive Conditions Vulnerability

AMD CPUs are a family of CPUs from AMD. The AMD CPUs suffer from a competitive condition vulnerability that arises from improper handling of concurrent access when concurrent code requires mutually exclusive access to shared resources during operation of a networked system or product. An attacker...

openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2023:3971-1)

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...

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...