Ubuntu: Security Advisory (USN-7861-4)

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...

TencentOS Server 4: open-vm-tools (TSSA-2024:0041)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0041 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

CVE-2025-58407: Time-of-check Time-of-use (TOCTOU) Race Condition

Kernel or driver software installed on a Guest VM may post improper commands to the GPU Firmware to exploit a TOCTOU race condition and trigger a read and/or write of data outside the allotted memory escaping the virtual machine...

PT-2025-47174

Name of the Vulnerable Software and Affected Versions versions prior to 2025 Description Kernel or driver software installed on a Guest VM may post improper commands to the GPU Firmware, potentially exploiting a TOCTOU race condition. This could lead to a read and/or write of data outside the...

CVE-2025-4619

A denial-of-service DoS vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to reboot a firewall by sending a specially crafted packet through the dataplane. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. This issue is...

RHBA-2025:20841 Red Hat Bug Fix Advisory: open-vm-tools bug fix and enhancement update

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CVE-2025-4619

CVE-2025-4619 describes a DoS in Palo Alto Networks PAN-OS where an unauthenticated attacker can reboot a firewall by sending a specially crafted dataplane packet, with repeated attempts causing maintenance mode. Affected products include PAN-OS running on PA-Series firewalls, VM-Series firewalls...

USN-7862-3 linux-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...

CVE-2025-4619: Improper Check for Unusual or Exceptional Conditions

A denial-of-service DoS vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to reboot a firewall by sending a specially crafted packet through the dataplane. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. This issue is...

CVE-2025-40181

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...

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...

open-vm-tools: Insecure file handling

A vulnerability was found in open-vm-tools. A malicious actor with non-administrative privileges on a guest virtual machine VM may tamper with the local files to trigger insecure file operations within that VM...

Moderate: Red Hat Bug Fix Advisory: open-vm-tools bug fix and enhancement update

An update for open-vm-tools is now available for Red Hat Enterprise Linux 9. For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section...

kernel: KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM subsystem. In guest/host mode for Intel Processor Trace Intel PT, the hypervisor fails to properly validate virtual processor configurations and manage tracing states during virtual machine transitions. A local user or guest...

kernel: KVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with guest value only before entering .vcpurun loop Move the conditional loading of hardware DR6 with the guest's DR6 value out of the core .vcpurun loop to fix a bug where KVM can load hardware with a stale...

ALBA-2025:20841 Moderate: open-vm-tools bug fix and enhancement update

For detailed information on changes in this release, see the AlmaLinuxRelease Notes linked from the References section...

Moderate: open-vm-tools bug fix and enhancement update

For detailed information on changes in this release, see the AlmaLinuxRelease Notes linked from the References section...

USN-7865-1: Linux kernel (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...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization. An attacker can disrupt control over a running virtual machine instance by creating a pod with identical labels to the legitimate virt-launcher pod, misleading the controller into associating the fake pod with t...