CVE-2025-38506 KVM: Allow CPU to reschedule while setting per-page memory attributes

In the Linux kernel, the following vulnerability has been resolved: KVM: Allow CPU to reschedule while setting per-page memory attributes When running an SEV-SNP guest with a sufficiently large amount of memory 1TB+, the host can experience CPU soft lockups when running an operation in...

CVE-2025-48807

Improper restriction of communication channel to intended endpoints in Windows Hyper-V allows an authorized attacker to execute code locally...

ROS-20250813-05

The cross-platform xen hypervisor vulnerability is related to double unlocking when handling x86 guest x86 interrupts. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of denial of service...

PT-2025-32769 · Microsoft · Windows Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: A missing synchronization flaw in Windows Hyper-V can allow an authorized attacker to cause a denial of service to an adjacent network. Recommendations: At the moment, there is no...

Hypervisor-Based Double Extortion Ransomware Detection Method Using Kitsune Network Features

Double extortion ransomware attacks have become mainstream since many organizations adopt more robust and resilient data backup strategies against conventional crypto-ransomware. This paper presents detailed attack stages, tactics, procedures, and tools used in the double extortion ransomware...

Cisco Unified Communications Manager IM & Presence Privilege Escalation (cisco-sa-imp-inf-disc-cUPKuA5n)

According to its self-reported version, Cisco Unified Communications Manager IM & Presence is affected by a privilege escalation vulnerability. - A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an authenticated, local attacker to elevate...

SEV Ciphertext Side Channel Attacks

Summary AMD has received reports from two research groups detailing methods by which a malicious hypervisor could potentially execute a side channel attack against a running secure encrypted virtualization – secure nested paging SEV-SNP guest. The first report, titled “Relocate + Vote: Exploiting...

Linux Distros Unpatched Vulnerability : CVE-2025-21913

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: x86/amdnb: Use rdmsrsafe in amdgetmmconfigrange Xen doesn't offer MSRFAM10HMMIOCONFBASE to a...

[SECURITY] Fedora 41 Update: xen-4.19.3-1.fc41

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 41 Update: incus-6.15-1.fc41

Container hypervisor based on LXC Incus offers a REST API to remotely manage containers over the network, using an image based work-flow and with support for live migration. This package contains the Incus daemon...

[SECURITY] Fedora 42 Update: incus-6.15-1.fc42

Container hypervisor based on LXC Incus offers a REST API to remotely manage containers over the network, using an image based work-flow and with support for live migration. This package contains the Incus daemon...

[SECURITY] Fedora 42 Update: xen-4.19.3-2.fc42

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

Linux Distros Unpatched Vulnerability : CVE-2018-18021

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who ca...

Linux Distros Unpatched Vulnerability : CVE-2019-19332

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the...

PT-2025-48943

Name of the Vulnerable Software and Affected Versions Android pKVM affected versions not specified Description The pKVM protected Kernel-based Virtual Machine virtualization technology in the Android operating system kernel contains a flaw that may allow an attacker to write data outside of...

USN-7654-5 linux-xilinx-zynqmp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

Fire Ant Exploits VMware Flaws to Compromise ESXi Hosts and vCenter Environments

Virtualization and networking infrastructure have been targeted by a threat actor codenamed Fire Ant as part of a prolonged cyber espionage campaign. The activity, observed this year, is primarily designed Now to infiltrate organizations' VMware ESXi and vCenter environments as well as network...

PT-2025-30611 · Undefined · Undefined

URGENT: CVE-2025-02471—Xen hypervisor vulnerability allows VM escape on unpatched SUSE systems. ✅ Patch: zypper patch xen-4.17.3 5.1-1 ✅ Impact: Critical CVSS 8.1 Read more: 👉 https://t.co/yErIQy6dqs Infosec DevSecOps LinuxSecurity https://t.co/d9VvVKTncE...

USN-7654-3 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

CVE-2025-1713

When setting up interrupt remapping for legacy PCI-X devices, including PCI-X bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead to a deadlock...