PT-2026-43972

Name of the Vulnerable Software and Affected Versions libusb versions prior to 1.0.30 Description A one-byte out-of-bounds read exists in the parse iad array function within descriptor.c. This occurs when a malformed USB descriptor is supplied where the bLength equals the size minus one, causing...

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 the Intel VT-d driver failing to clear the Present bit before deleting PASID table entries. This...

CVE-2026-46082

KVM: SVM: Inject UD for INVLPGA if EFER.SVME=0...

PT-2026-43854

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description In the KVM nSVM component, the nested sync control from vmcb02 function fails to synchronize the int state field, specifically bit 0 SVM INTERRUPT SHADOW MASK, from vmcb02 to the cached...

PT-2026-43926

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the KVM nSVM component, an issue exists where the current RIP Instruction Pointer is incorrectly used as the NextRIP in vmcb02 after the first L2 VMRUN. For guests with NRIPS disabled...

Linux Distros Unpatched Vulnerability : CVE-2026-46076

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL,...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the KVM SVM module not properly injecting UD exceptions when EFER.SVME=0 is set. This may lead to...

CVE-2026-45987

KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2...

CVE-2026-46076

KVM: nSVM: Raise UD if unhandled VMMCALL isnt intercepted by L1...

CVE-2026-45944

iommu/vt-d: Clear Present bit before tearing down context entry...

PT-2026-43881

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description In the KVM SVM component, there is a failure in the save and restore handling of Last Branch Record LBR Model Specific Registers MSRs. Specifically, MSR IA32 DEBUGCTLMSR and LBR MSRs are no...

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 nSVM failing to synchronize the interrupt shadow with the cached vmcb12 after VMRUN,...

CVE-2026-45862

iommu/vt-d: Flush cache for PASID table before using it...

PT-2026-43811

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down context entry When tearing down a context entry, the current implementation zeros the entire 128-bit entry using multiple 64-bit writes. This creates a window where the hardware c...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by 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 a processing error in NextRIP within KVM nSVM. This vulnerability may lead to the use of...

PT-2026-43718

In the Linux kernel, the following vulnerability has been resolved: efi: Fix reservation of unaccepted memory table The reserve unaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory table. It aligns the size of the table, but fails to account fo...

Linux Distros Unpatched Vulnerability : CVE-2026-45987

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: nSVM: Sync interrupt shadow to cached vmcb12 after VMRUN of L2 After VMRUN in guest mode, nestedsynccontrolfromvmcb02 syncs fields written by the CPU from...

PT-2026-43943

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM nSVM component where a VMMCALL is not properly handled when L2 is active, L1 does not want to intercept the VMMCALL, nested svm l2 tlb flush enabled is true, a...

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 the unintercepted VMMCALL in KVM nSVM. This vulnerability may lead to unauthorized supercalls at...

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 the failure to return an error code when restoring the host CR3 during a nested VMEXIT, but this...