cve-2023-31346-poc

Fuga de Memoria del Firmware El código aquí tiene como objetivo demostrar las fugas de memoria en los encabezados de mensajes de invitado y en el mensaje de invitado de solicitud de CPUID. Prerrequisitos Instalar rustup. Instalar un kernel de Linux con soporte de host SEV-SNP. Utilicé un kernel c...

CVE-2026-105051

Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception SimpleSvm.sys on AMD; hyperkd.sys and hyperhv.dll on Intel...

CVE-2026-105051

Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception SimpleSvm.sys on AMD; hyperkd.sys and hyperhv.dll on Intel...

CVE-2026-105051

Versions of Denuvo Anti-Tamper released through 2026-03-04 are vulnerable to a bypass of a hypervisor presence check . The root cause is CPUID interception involving specific system files: SimpleSvm.sys on AMD systems, and hyperkd.sys or hyperhv.dll on Intel systems. This vulnerability allows for...

PT-2026-104454

Name of the Vulnerable Software and Affected Versions Denuvo Anti-Tamper versions prior to 2026-03-04 Description The software allows a bypass of the hypervisor presence check. This is achieved through CPUID interception, affecting SimpleSvm.sys on AMD systems and hyperkd.sys and hyperhv.dll on...

CVE-2026-105051: Use of Less Trusted Source

Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception SimpleSvm.sys on AMD; hyperkd.sys and hyperhv.dll on Intel...

malware-analysis-fake-hwmonitor

Threat Analysis: Fake HWMonitor DLL Sideloading & Infostealer Campaign ⚠️ DISCLAIMER / ПРЕДУПРЕЖДЕНИЕ This repository is created strictly for educational, defensive, and threat research purposes. It contains technical post-mortem analysis, Indicators of Compromise IoCs, and defensive YARA...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Rejects concurrent changes to the CPUID entry count The function KVMTDXINITVM is rejected if the user space modifies the cpuid.nent value between the initial read and the subsequent copy of the initialization data. The...

Linux Distros Unpatched Vulnerability : CVE-2026-72285

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of...

CVE-2026-72285

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of the initialization data. tdxtdinit first reads userdata-cpuid.nent to...

CVE-2026-72285

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of the initialization data. tdxtdinit first reads userdata-cpuid.nent to...

UBUNTU-CVE-2026-72285

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of the initialization data. tdxtdinit first reads userdata-cpuid.nent to...

CVE-2026-72285 KVM: TDX: Reject concurrent change to CPUID entry count

In the Linux kernel, the following vulnerability has been resolved: KVM: TDX: Reject concurrent change to CPUID entry count Reject KVMTDXINITVM if userspace changes cpuid.nent between the initial read and the subsequent copy of the initialization data. tdxtdinit first reads userdata-cpuid.nent to...

CVE-2026-72285

CVE-2026-72285 – Linux kernel KVM/TDX CPUID count race : The vulnerability occurs when userspace can change cpuid.nent between the initial read and the allocation of the kvm_tdx_init_vm copy, causing a mismatch in the number of CPUID entries that are copied and later processed. The fix enforces t...

CVE-2026-64229

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Disable broadcast TLB flush when PCID is disabled Booting with "nopcid" clears X86FEATUREPCID and keeps CR4.PCIDE from being set to one. On AMD CPUs that support INVLPGB, broadcast TLB flushing remains enabled. There are...

SUSE CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

UBUNTU-CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64285 KVM: SEV: Pin source page for write when adding CPUID data for SNP guest

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...