Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Prevent RSB underflow before vmenter Regarding VMX, there are some balanced returns between the time the guest’s SPECCTRL value is written and the vmenter. Balanced returns matched by a preceding call are usually...

CVE-2026-64591

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 "iommu/vt-d: Only handle IOPF for SVA when PRI is supported" modified the SVA bind...

CVE-2026-46113

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp-gfn plus the SPTE index. This assumption breaks for shadow paging if the guest page tables are modifie...

CVE-2026-45945

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix race condition during PASID entry replacement The Intel VT-d PASID table entry is 512 bits 64 bytes. When replacing an active PASID entry e.g., during domain replacement, the current implementation calculates a ne...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from KVM/SVM failing to properly save and restore the LBR MSR, resulting in the restoration function...

CVE-2026-45862

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly allocated zero-initialized PASID table to a PASID directory entry, do that after the CPU cache flush for this PASID table, not before i...

KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish

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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006999)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006999 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/gvt: fix vgpu debugfs clean in remove Check carefully on root debugfs available when...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010846)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010846 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/i915/gvt: fix vgpu debugfs clean in remove Check carefully on root debugfs available when...

Microsoft Hyper-V Code Execution Vulnerability (CNVD-2026-17151)

Microsoft Hyper-V is an application from Microsoft Corporation USA. A system hypervisor virtualization technology that enables desktop virtualization. A code execution vulnerability exists in Microsoft Hyper-V, which can be exploited by an attacker to execute arbitrary code on a system...

CVE-2023-54098 drm/i915/gvt: fix gvt debugfs destroy

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gvt: fix gvt debugfs destroy When gvt debug fs is destroyed, need to have a sane check if drm minor's debugfs root is still available or not, otherwise in case like device remove through unbinding, drm minor's debugfs...

CVE-2023-54098

CVE-2023-54098 affects the Linux kernel’s DRM/i915/gvt debugfs handling. The issue arises when gvt debugfs is destroyed without verifying that the DRM minor’s debugfs root is still available; if the device is removed (unbind), the minor’s debugfs directory may already be removed, causing intel_gv...

CVE-2025-68244 drm/i915: Avoid lock inversion when pinning to GGTT on CHV/BXT+VTD

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Avoid lock inversion when pinning to GGTT on CHV/BXT+VTD On completion of i915vmapinww, a synchronous variant of dmafenceworkcommit is called. When pinning a VMA to GGTT address space on a Cherry View family processor, ...

CVE-2025-40058

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Disallow dirty tracking if incoherent page walk Dirty page tracking relies on the IOMMU atomically updating the dirty bit in the paging-structure entry. For this operation to succeed, the paging- structure memory must...

CVE-2025-40058

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Disallow dirty tracking if incoherent page walk Dirty page tracking relies on the IOMMU atomically updating the dirty bit in the paging-structure entry. For this operation to succeed, the paging- structure memory must...

DEBIAN-CVE-2025-38351

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush In KVM guests with Hyper-V hypercalls enabled, the hypercalls HVCALLFLUSHVIRTUALADDRESSLIST and HVCALLFLUSHVIRTUALADDRESSLISTEX allow a guest to request...

[SECURITY] Fedora 41 Update: libkrun-1.13.0-1.fc41

Dynamic library providing Virtualization-based process isolation capabilities...

The vulnerability of the Hyper-V hardware virtualization system for Windows operating systems allows a perpetrator to trigger a service failure.

The vulnerability of the Hyper-V hardware virtualization technology for Windows operating systems is related to insufficient validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...

vdo bug fix update

An update is available for vdo. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The vdo packages provide Virtual Data Optimizer VDO, which is a block...

UBUNTU-CVE-2024-31145

Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR" for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose of these regions ...