CVE-2025-39845

CVE-2025-39845 : In the Linux kernel, the patch defines ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings() to ensure page-table synchronization when calling p*d_populate_kernel(). For 5-level paging, synchronization uses pgd_populate_kernel(); for 4-level paging, pgd_populate() is a no-op ...

CVE-2025-39845 x86/mm/64: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings()

In the Linux kernel, the following vulnerability has been resolved: x86/mm/64: define ARCHPAGETABLESYNCMASK and archsynckernelmappings Define ARCHPAGETABLESYNCMASK and archsynckernelmappings to ensure page tables are properly synchronized when calling pdpopulatekernel. For 5-level paging,...

CVE-2025-39844

CVE-2025-39844 relates to a Linux kernel memory-management bug where page-table synchronization was not consistently performed when vmemmap spans multiple PGD entries. The issue caused intermittent boot failures and a kernel panic (notably on 4-level paging with large persistent memory) due to a ...

CVE-2025-39844

In the Linux kernel, the following vulnerability has been resolved: mm: move page table sync declarations to linux/pgtable.h During our internal testing, we started observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: unable t...

CVE-2025-39844 mm: move page table sync declarations to linux/pgtable.h

In the Linux kernel, the following vulnerability has been resolved: mm: move page table sync declarations to linux/pgtable.h During our internal testing, we started observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: unable t...

PT-2025-38551

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to page table synchronization during vmemmap initialization. Specifically, the optimized path within vmemmap populate compound pages skips...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly synchronizing the page tables, which could lead to page errors in kernel mode...

PT-2025-38552

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to page table synchronization when calling pd populate kernel. Specifically, the issue arises in systems utilizing 4-level paging and a substanti...

SUSE CVE-2022-50393

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

CVE-2023-53378

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dpt: Treat the DPT BO as a framebuffer Currently i915gemobjectisframebuffer doesn't treat the BO containing the framebuffer's DPT as a framebuffer itself. This means eg. that the shrinker can evict the DPT BO while leavi...

AZL-72313 CVE-2022-50393 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

DEBIAN-CVE-2022-50393

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

CVE-2023-53378

CVE-2023-53378 (Linux kernel, DRM/i915) : The vulnerability stems from i915_gem_object_is_framebuffer() not treating the DPT BO (display plane table backing object) as a framebuffer. As a result, the shrinker can evict the DPT BO while the FB BO remains bound, if the DPT came from regular shmem. ...

CVE-2022-50393 drm/amdgpu: SDMA update use unlocked iterator

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

CVE-2022-50393 drm/amdgpu: SDMA update use unlocked iterator

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

CVE-2022-50393

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: SDMA update use unlocked iterator SDMA update page table may be called from unlocked context, this generate below warning. Use unlocked iterator to handle this case. WARNING: CPU: 0 PID: 1475 at...

CVE-2022-50393

The CVE-2022-50393 issue affects the Linux kernel DRM/AMDGPU SDMA path where dma_resv_iter_next may be invoked from an unlocked context during SDMA page-table updates, leading to a potential misuse warning and race conditions. Affected component: amdgpu driver within the kernel's DMA-BUF handling...

CVE-2023-53248

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of NULL to avoid NULL dereference when...

CVE-2023-53248

CVE-2023-53248 affects the Linux kernel DRM/AMDGPU subsystem. The fix installs a stub fence into potentially unused page-table update fences instead of NULL to avoid NULL dereferences when dma_fence_wait() is called on those pointers during CPU-based page-table updates. This targets the scenario ...

Linux Distros Unpatched Vulnerability : CVE-2025-39776

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/debugvmpgtable: clear page table entries at destroyargs The mm/debugvmpagetable test allocates manually page table entries for the tests it runs, using also...