CVE-2026-89931 KVM: nVMX: Ensure KVM_REQ_GET_NESTED_STATE_PAGES is cleared on VM-Exit

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

CVE-2026-89931 KVM: nVMX: Ensure KVM_REQ_GET_NESTED_STATE_PAGES is cleared on VM-Exit

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

EUVD-2026-80531

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

CVE-2026-89915 KVM: arm64: Remove VM-wide VNCR mapping counter

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

EUVD-2026-80515

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

CVE-2026-89915 KVM: arm64: Remove VM-wide VNCR mapping counter

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

CVE-2026-89908

In the Linux kernel LoongArch KVM subsystem, kvm_arch_prepare_memory_region() computes a memslot's arch.flags (KVM_MEM_HUGEPAGE_CAPABLE / KVM_MEM_HUGEPAGE_INCAPABLE) only for KVM_MR_CREATE and KVM_MR_MOVE, returning early for all other changes. Because the generic code allocates a zeroed memslot ...

EUVD-2026-80404

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

CVE-2026-89804 drm/nouveau/dmem: fix mismatched DMA unmap size for large folios

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

PT-2026-93556

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 implementation regarding the global VNCR mapping counter. This counter is used to determine if an L1 provided VNCR page is mapped in L0 during TLB...

PT-2026-93602

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the powerpc memory management where the vmemmap populate compound pages function incorrectly tracks addr pfn. The addr pfn variable is advanced manually in parallel wi...

CVE-2026-89977: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: accel/ethosu: check MMIO mapping errors in probe devmplatformioremapresource returns an error pointer when the register resource cannot be mapped. ethosuprobe stores it and continues until initialization dereferences it through...

CVE-2026-90012: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: spi: Fix DMA mapping ownership on partial map failure If RX mapping fails after TX mapping succeeds, spimapmsg unmaps TX but leaves txsgmapped set. If TX mapping fails on a later transfer, mappings created for earlier transfers...

CVE-2026-89915: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Remove VM-wide VNCR mapping counter The global VNCR mapping counter is used to decide whether an L1 provided VNCR page is mapped in L0 on any CPU at the point of dealing with a TLB invalidation. It is incremented when...

CVE-2026-89931: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

CVE-2026-89804: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

PT-2026-93656

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xHCI driver where Transfer Descriptors TDs spanning three or more ring segments can lead to lost bounce buffers. When a TD is not aligned to the endpoint's...

PT-2026-93572

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM nVMX component where the KVM REQ GET NESTED STATE PAGES flag is not consistently cleared during a nested VM-Exit emulation. This occurs even when KVM is built...

PT-2026-93445

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/nouveau/dmem component where device-private Transparent Huge Page THP migration maps buffers using page size and records the length in dma info-size. For...

PT-2026-93653

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SPI subsystem where a partial failure during DMA mapping can lead to incorrect ownership of the mapping. Specifically, if an RX mapping fails after a TX mapping...