Ubuntu: Security Advisory (USN-6502-4)

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...

Denial Of Service (DoS)

xen is vulnerable to Denial Of Service DoS. The vulnerability exists due to incorrect caching invalidation guidelines in the AMD-Vi specification 48882—Rev 3.07-PUB—Oct 2022 on certain hardware. Updating specific fields of the DTE without flushing the IOMMU TLB can lead to device malfunctions e.g...

USN-6502-4 linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2 vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

Fedora 38 : xen (2023-56901a79a1)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-56901a79a1 advisory. x86/AMD: mismatch in IOMMU quarantine page table levels XSA-445, CVE-2023-46835 x86: BTC/SRSO fixes not fully effective XSA-446, CVE-2023-46836...

Xen: x86/AMD: Mismatch in IOMMU Quarantine Page Table Levels (XSA-445)

The current setup of quarantine page tables assumes that there are 4 page table levels, however the AMD-Vi IOMMU is configured with 3 page table levels for systems without RAM above the 512 GB boundary. Due to this level mismatch, the sink page the device gets read/write access to is no longer...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

Memory Integrity Loss

amd64-microcode AMD CPU microcode patches is vulnerable to Memory Integrity Loss. The vulnerability is caused due to Improper or Unexpected behavior of the INVD instruction in some AMD CPUs. It can allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU...

USN-6502-2: Linux kernel (Oracle) vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

RHEL 7 : linux-firmware (RHSA-2023:7513)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7513 advisory. The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fixes: hw amd: Retur...

Ubuntu: Security Advisory (USN-6497-1)

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...

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...

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...

Moderate: Red Hat Security Advisory: linux-firmware security update

An update for linux-firmware is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availab...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

AMD Graphics Driver November 2023 Security Update

AMD has informed HP of potential vulnerabilities identified in some AMD Graphics Drivers for Windows, which might allow arbitrary code execution or denial of service. AMD has released updates to mitigate the potential vulnerabilities. HP has identified affected platforms and corresponding SoftPaq...

RHEL 8 : linux-firmware (RHSA-2023:7401)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7401 advisory. The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fixes: hw amd: Retur...

Oracle Linux 8 : linux-firmware (ELSA-2023-7109)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-7109 advisory. 20230516-999.27.git6c9e0ed5.el8 - Update firmware for qat4xxx devices Orabug: 35811008 Tenable has extracted the preceding description block directly from the...

RHEL 9 : kernel-rt (RHSA-2023:7379)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7379 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

AMD Ryzen Master™ SDK August 2023 Security Update

AMD has informed HP of potential security vulnerabilities identified in the AMD® Ryzen Master™ SDK, which might allow arbitrary code execution, denial of service, or information disclosure. AMD has released software updates to mitigate the potential vulnerabilities. AMD has released updates to...