CVE-2025-21340 Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

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Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability

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CLSA-2025-1736778632 kernel: Fix of 17 CVEs

tracing: Free buffers when a used dynamic event is removed CVE-2022-49006 - ASoC: ops: Check bounds for second channel in sndsocputvolswsx CVE-2022-48951 - ext4: fix slab-use-after-free in ext4splitextentat CVE-2024-49884 - ext4: fix bug on in ext4escacheextent as ext4splitextentat failed...

PT-2025-1058

Name of the Vulnerable Software and Affected Versions Windows Hyper-V NT Kernel Integration VSP versions are not explicitly specified in the provided sources. Description The issue is related to an elevation of privilege in Windows Hyper-V NT Kernel Integration VSP, allowing an attacker to elevat...

CVE-2025-21340: Improper Access Control

Windows Virtualization-Based Security VBS Security Feature Bypass Vulnerability...

PT-2025-4220 · Microsoft · Windows Virtualization-Based Security +1

Name of the Vulnerable Software and Affected Versions: Windows Virtualization-Based Security VBS affected versions not specified Description: A security-feature bypass issue allows attackers to affect the system. This issue is related to the Windows Virtualization-Based Security VBS and enables...

PT-2025-1243

Name of the Vulnerable Software and Affected Versions Windows Virtualization-Based Security VBS Enclave affected versions not specified Description The issue is related to insufficient input validation in the Virtualization-Based Security VBS Enclave of Microsoft Windows operating systems. This c...

Microsoft Windows Virtualization-Based Security Enclave Access Control Vulnerability

Microsoft Windows Virtualization-Based Security Enclave Microsoft Windows VBS Enclave is a software-based trusted execution environment within the host application address space from Microsoft Corporation USA. An access control error vulnerability exists in Microsoft Windows Virtualization-Based...

Microsoft Windows Virtualization-Based Security Enclave Input Validation Error Vulnerability

Microsoft Windows Virtualization-Based Security Enclave Microsoft Windows VBS Enclave is a software-based trusted execution environment within the host application address space from Microsoft Corporation USA. An input validation error vulnerability exists in Microsoft Windows Virtualization-Base...

CVE-2025-21370: Improper Input Validation

Windows Virtualization-Based Security VBS Enclave Elevation of Privilege Vulnerability...

DEBIAN-CVE-2024-55881

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Play nice with protected guests in completehypercallexit Use is64bithypercall instead of is64bitmode to detect a 64-bit hypercall when completing said hypercall. For guests with protected state, e.g. SEV-ES and SEV-SNP,...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential context UAFs CVE-2023-52913 In the Linux kernel, the following vulnerability has been resolved: dm-crypt, dm-verity: disable tasklets CVE-2024-26718 In the Linux kernel, the following...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin CVE-2024-40953 In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rqqoswait vs. rqqoswakefunction race...

kernel: i40e: Do not allow untrusted VF to remove administratively set MAC

A flaw was found in Intel network adapters in the Linux kernel, where untrusted virtualized network interfaces can remove MAC addresses set by the system. This flaw allows an attacker with sufficient privileges to cause a denial of service...

kernel: KVM: SVM: Get source vCPUs from source VM for SEV-ES intrahost migration

A flaw was found in the Linux kernel's KVM SVM implementation for AMD SEV-ES. During intrahost VM migration, KVM incorrectly retrieves source vCPUs from the destination VM instead of the source VM. This causes the VMSA Virtual Machine Save Area pointer to remain NULL, leading to a host kernel cra...

Important: Red Hat Security Advisory: OpenShift Virtualization 4.17.3 Images

Red Hat OpenShift Virtualization release 4.17.3 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which...

PT-2026-7455

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity...

PT-2025-30869

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-smp-DEV 2 Description The Linux kernel contained a flaw within the KVM component, specifically related to Secure Encrypted Virtualization SEV and Secure Encrypted Virtualization-Encrypted State SEV-ES. The...

PT-2025-43034

Name of the Vulnerable Software and Affected Versions xen affected versions not specified Description Certain hypercalls within xen can be specified in a manner that presents a security concern. The description does not provide details about the nature of the issue or any specific technical detai...