USN-7874-2 linux-fips, linux-aws-fips, linux-gcp-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7874-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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 available for...

Ubuntu: Security Advisory (USN-7861-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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-7862-3: Linux kernel (Xilinx ZynqMP) vulnerability

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7861-3 linux-nvidia-6.8, linux-oracle, linux-oracle-6.8 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7861-3: Linux kernel vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

RockyLinux 8 : kernel-rt (RLSA-2025:19932)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:19932 advisory. kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel: fs: fix UAF/GP...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

kernel: x86/vmscape: Add conditional IBPB mitigation

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Add conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor like QEMU. Existing mitigations already protect kernel/KVM...

Ubuntu: Security Advisory (USN-7860-5)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

AlmaLinux 9 : kernel (ALSA-2025:19930)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19930 advisory. kernel: information leak via transient execution vulnerability in some AMD processors CVE-2024-36350 kernel: transient execution vulnerability in some AM...

Ubuntu: Security Advisory (USN-7862-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 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...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20558)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-20558 advisory. 6.12.0-103.40.4.2.el10uek - x86/vmscape: Warn when STIBP is disabled with SMT Pawan Gupta Orabug: 38343659 - x86/bugs: Move cpubugssmtupdate down Pawan...

Ubuntu Pro FIPS 16.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7865-1)

"The remote Ubuntu Pro FIPS 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7865-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...

Oracle Linux 9 : kernel (ELSA-2025-19930)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-19930 advisory. - x86/vmscape: Add old Intel CPUs to affected list Waiman Long RHEL-114270 CVE-2025-40300 - x86/vmscape: Warn when STIBP is disabled with SMT Waiman...

Oracle Linux 8 : kernel (ELSA-2025-19931)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-19931 advisory. - fs: fix UAF/GPF bug in nilfsmdtdestroy Abhi Das RHEL-116658 CVE-2022-50367 - x86/vmscape: Add old Intel CPUs to affected list Waiman Long RHEL-11428...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2025-20560)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-20560 advisory. 5.4.17-2136.347.6.1 - x86/vmscape: Warn when STIBP is disabled with SMT Pawan Gupta Orabug: 38343661 - x86/bugs: Move cpubugssmtupdate down Pawan Gupta...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20559)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2025-20559 advisory. 5.15.0-312.187.5.1 - x86/vmscape: Warn when STIBP is disabled with SMT Pawan Gupta Orabug: 38343660 - x86/bugs: Move cpubugssmtupdate down Pawan Gupta...