UBUNTU-CVE-2026-43315

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Remove a user-triggerable WARN on nestedsvmloadcr3 succeeding Drop the WARN in svmsetnestedstate on nestedsvmloadcr3 failing as it is trivially easy to trigger from userspace by modifying CPUID after loading CR3. E.g...

UBUNTU-CVE-2026-43298

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43346

In the Linux kernel, the following vulnerability has been resolved: ice: ptp: don't WARN when controlling PF is unavailable In VFIO passthrough setups, it is possible to pass through only a PF which doesn't own the source timer. In that case the PTP controlling PF adapter-ctrlpf is never...

CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

UBUNTU-CVE-2026-43346

In the Linux kernel, the following vulnerability has been resolved: ice: ptp: don't WARN when controlling PF is unavailable In VFIO passthrough setups, it is possible to pass through only a PF which doesn't own the source timer. In that case the PTP controlling PF adapter-ctrlpf is never...

CVE-2026-43298

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43348

The CVE-2026-43348 issue affects the Linux kernel’s mshv_vtl path: when registering VTL0 memory via MSHV_ADD_VTL0_MEMORY, the calculation of pgmap->vmemmap_shift can exceed MAX_FOLIO_ORDER, causing a WARN and -EINVAL during memremap_pages(). The root cause is failing to clamp the computed shif...

CVE-2026-43346

The CVE-2026-43346 entry documents a Linux kernel issue in ice: ptp used in VFIO passthrough where the PTP controlling PF (adapter->ctrl_pf) may not be initialized, causing NULL dereference risk and a WARN_ON() in ice_ptp_setup_pf(). The fix replaces the warning with an informational message a...

CVE-2025-71301 drm/tests: shmem: Hold reservation lock around vmap/vunmap

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around vmap/vunmap Acquire and release the GEM object's reservation lock around vmap and vunmap operations. The tests use vmaplocked, which led to errors such as show below. 122.292030...

CVE-2026-43298

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43298

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43298

CVE-2026-43298 affects the Linux kernel drm/amdgpu driver. The issue arises during deinitialization where VF (Virtual Function) instances may attempt to release a VCN poison IRQ that was not enabled in VCNv2.5, causing a kernel warning in amdgpu_irq_put() and a potential instability. The disclose...

CVE-2026-43298 drm/amdgpu: Skip vcn poison irq release on VF

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-43298 drm/amdgpu: Skip vcn poison irq release on VF

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm clean up the vf2pf work item 71.915088 ------------ cut here...

CVE-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...

CVE-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...

CVE-2025-66171 Apache CloudStack: Any user can create a new VM from backups they should not have access to

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can create new VMs using backups of any other user of the...

CVE-2026-42278

UltraDAG is a minimal DAG-BFT blockchain in Rust. Prior to commit fb6ef59, the UltraDAG StateEngine implementation of SmartTransferTx contains a critical logic flaw in its policy enforcement pipeline. When a transaction originates from a "Pocket" a derived sub-address documented in the protocol a...

Apache CloudStack 信息泄露漏洞

Apache CloudStack is an IaaS cloud computing platform developed by the Apache Foundation in the United States. This platform is primarily used for deploying and managing large-scale virtual machine networks. Versions 4.21.0.0 to 4.22.0.0 of Apache CloudStack contained a vulnerability related to...

PT-2026-38940

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amdgpu component where Virtual Functions VF do not enable the VCN poison interrupt request irq in VCNv2.5. Attempting to release this irq during deinitializati...