CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63794

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRYPT path In sevdbgcrypt, the per-iteration transfer length is bounded by the source page offset PAGESIZE - soff but not by the destination page offset PAGESIZE - doff. When doff...

CVE-2026-63822

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp-txringi.txstatus are released. However this is released again when the device is unbinded ath11kpci, and...

EUVD-2026-45473

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63806

In the Linux kernel, the following vulnerability has been resolved: KVM: Replace guest-triggerable BUGON in ioeventfd datamatch with getunaligned Drop a BUGON that has been reachable since it was first added, way back in 2009, and instead use getunaligned to perform potentially-unaligned accesses...

CVE-2026-53385

CVE-2026-53385 relates to a Linux kernel issue in vc_screen where a race in vcs_write() can yield a stale vc_data after the console_lock is dropped and re-acquired. If the vc has been deallocated in the interim, a subsequent call to vcs_scr_updated() uses a NULL vc, causing a null-pointer derefer...

CVE-2026-53373

In the Linux kernel, the following vulnerability has been resolved: mm/vma: do not try to unmap a VMA if mmapprepare invoked from mmap The mmapprepare hook functionality includes the ability to invoke mmapprepare from the mmap hook of existing 'stacked' drivers, that is ones which are capable of...

CVE-2026-53373

In the Linux kernel, the following vulnerability has been resolved: mm/vma: do not try to unmap a VMA if mmapprepare invoked from mmap The mmapprepare hook functionality includes the ability to invoke mmapprepare from the mmap hook of existing 'stacked' drivers, that is ones which are capable of...

CVE-2026-53373 mm/vma: do not try to unmap a VMA if mmap_prepare() invoked from mmap()

In the Linux kernel, the following vulnerability has been resolved: mm/vma: do not try to unmap a VMA if mmapprepare invoked from mmap The mmapprepare hook functionality includes the ability to invoke mmapprepare from the mmap hook of existing 'stacked' drivers, that is ones which are capable of...

CVE-2026-53373

In the Linux kernel, the following vulnerability has been resolved: mm/vma: do not try to unmap a VMA if mmapprepare invoked from mmap The mmapprepare hook functionality includes the ability to invoke mmapprepare from the mmap hook of existing 'stacked' drivers, that is ones which are capable of...

PT-2026-61417

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.0.0 Description A circular locking dependency exists in the drm/msm component of the Linux kernel. When VM reclaim pressure occurs, the kswapd0 process holding the fs reclaim lock calls the MSM shrinker, which subsequent...

PT-2026-61335

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mana hwc rx event handler function where the rx req idx variable, derived from sge-address in DMA-coherent memory, is used to index the reqs array without a bounds...

PT-2026-61287

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vsock/virtio component where virtio transport send pkt info allocates or reuses the zerocopy uarg before the send loop, but virtio transport alloc skb fills the sk...

PT-2026-61078

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mm/vma component where the mmap prepare function incorrectly attempts to unmap a Virtual Memory Area VMA when invoked from the mmap hook of stacked drivers, such a...

PT-2026-61234

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vti6 changelink function where the kernel fails to correctly handle network namespace changes for vti6 devices. When a vti6 tunnel is moved to a different network...

PT-2026-61138

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the ath11k Wi-Fi driver. When a firmware-related initialization error occurs, the buffers dp-tx ringi.tx status are released. If the device is subsequently...

PT-2026-61123

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds access issue exists in the Linux kernel KVM x86 MMU during hugepage recovery in the shadow MMU. The issue occurs when the system fails to verify that the base guest fram...

PT-2026-61382

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.0.0-rc1 Description A kernel BUG occurs in the netfs component due to a VM BUG ON FOLIO issue within the netfs write begin function. This issue is triggered when folio unlock is called on a folio that is not locked,...

Isolation Failure from Shared Storage: Characterizing and Exploiting Page-Cache SCA Leakage across Containers and VMs

Modern cloud platforms increasingly combine strong software isolation mechanisms with shared hardware resources to improve performance and resource efficiency. Conventional containers do this by sharing the host kernel directly, whereas sandboxed runtimes e.g., gVisor and VM-based runtimes e.g.,...