PT-2026-72856

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/gpusvm component where Virtual Memory Areas VMAs marked with VM IO or VM PFNMAP are not backed by struct page objects. Since GPUSVM requires these objects to...

PT-2026-61498

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the memory management system where vm normal page fails to handle missing support for pmd special and pud special. On x86 32-bit systems with Transparent Huge Pages TH...

CVE-2024-38610

In the Linux kernel, the following vulnerability has been resolved: drivers/virt/acrn: fix PFNMAP PTE checks in acrnvmrammap Patch series "mm: followpte improvements and acrn followpte fixes". Patch 1 fixes a bunch of issues I spotted in the acrn driver. It compiles, that's all I know. I'll...

CVE-2024-38610

In the Linux kernel, the following vulnerability has been resolved: drivers/virt/acrn: fix PFNMAP PTE checks in acrnvmrammap Patch series "mm: followpte improvements and acrn followpte fixes". Patch 1 fixes a bunch of issues I spotted in the acrn driver. It compiles, that's all I know. I'll...

CVE-2024-38610 drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map()

In the Linux kernel, the following vulnerability has been resolved: drivers/virt/acrn: fix PFNMAP PTE checks in acrnvmrammap Patch series "mm: followpte improvements and acrn followpte fixes". Patch 1 fixes a bunch of issues I spotted in the acrn driver. It compiles, that's all I know. I'll...

CVE-2024-38610

The CVE-2024-38610 entry concerns a Linux kernel issue in the acrn_vm_ram_map() path of the ACRN driver. The root cause is flawed follow_pte() usage that can access PFNs incorrectly: (1) it did not verify PTE write permissions (now checked against ACRN_MEM_ACCESS_WRITE); (2) it did not reject ref...

CVE-2024-38610 drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map()

In the Linux kernel, the following vulnerability has been resolved: drivers/virt/acrn: fix PFNMAP PTE checks in acrnvmrammap Patch series "mm: followpte improvements and acrn followpte fixes". Patch 1 fixes a bunch of issues I spotted in the acrn driver. It compiles, that's all I know. I'll...

PT-2024-9781

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to the Linux kernel, specifically in the drivers/virt/acrn component. It involves issues with PFNMAP PTE checks in the acrn vm ram map function. The proble...

kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry

A flaw was found in include/asm-generic/tlb.h in the Linux kernel due to a race condition unmapmappingrange versus munmap. This issue allows a device driver to free a page while it still has stale TLB entries...

PT-2022-4973

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.19 Description The issue is related to a race condition in the Linux kernel, specifically in the unmap mapping range function, which can lead to a situation where a device driver frees a page while it still has...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

CVE-2021-22543

An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and ca...

PT-2021-4246

Name of the Vulnerable Software and Affected Versions Linux affected versions not specified Description The issue is caused by improper handling of VM IO|VM PFNMAP vmas in KVM, which can bypass RO checks and lead to pages being freed while still accessible by the VMM and guest. This allows users...