SUSE CVE-2022-50232

In the Linux kernel, the following vulnerability has been resolved: arm64: set UXN on swapper page tables This issue was fixed upstream by accident in c3cee924bd85 "arm64: head: cover entire kernel image in initial ID map" as part of a large refactoring of the arm64 boot flow. This simple fix is...

UBUNTU-CVE-2022-49991

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page-mapping in hugetlbmcopyatomicpte In MCOPYATOMICCONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepageaddnewanonrmap is called for them mistakenly...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: LoongArch: The hugepteoffset function currently returns a pointer to a PMD slot, even when the underlying entry points to an invalid invalidptetable indicating no mapping. Functions like smapshugetlbrange retrieve this invalid...

CVE-2023-53077

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

DEBIAN-CVE-2023-53077

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

CVE-2023-53077

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

CVE-2023-53077 drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

CVE-2023-53077 drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes WHY When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: shift exponent 4294966273 is t...

CVE-2023-53077

CVE-2023-53077 affects the Linux kernel’s DRM AMD display path. The vulnerability arises in CalculateVMAndRowBytes when PTEBufferSizeInRequests is zero, causing UBSAN to warn due to dml_log2 returning an unexpectedly negative value (shift exponent 4294966273). The documented fix is to skip the dm...

PT-2025-20347

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the LoongArch architecture. The issue arises when the huge pte offset function returns a pointer to a PMD slot even...

SUSE CVE-2025-21990

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo-tbo.resource will be NULL. Check for that before dereferencing. cherry picked from commit...

CVE-2025-21990

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo-tbo.resource will be NULL. Check for that before dereferencing. cherry picked from commit...

CVE-2025-21990

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo-tbo.resource will be NULL. Check for that before dereferencing. cherry picked from commit...

CVE-2025-21990

This CVE affects the Linux kernel DRM/AMDGPU path. The vulnerability arises when determining GFX12 page table entry (PTE) flags for BOs (backing stores). Specifically, PRT BOs may have no backing store, making bo->tbo.resource NULL. If this NULL is dereferenced, it can lead to a crash or other...

CVE-2025-21990 drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo-tbo.resource will be NULL. Check for that before dereferencing. cherry picked from commit...

CVE-2025-21984 mm: fix kernel BUG when userfaultfd_move encounters swapcache

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

CVE-2025-21984 mm: fix kernel BUG when userfaultfd_move encounters swapcache

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

CVE-2025-21984

Technical details for CVE-2025-21984 are not publicly disclosed in the provided Connected documents; no vendor/product/version specifics or fixes are given here. Monitor for updates.

CVE-2025-21933

CVE-2025-21933: In the Linux kernel (ARM), a NULL pointer dereference can occur in pgtable when update_mmu_cache_range() is invoked with a NULL vmf, causing a NULL dereference in adjust_pte(). The issue is triggered by how PTE locks are acquired; the fix changes the lock decision to be based on w...

CVE-2025-21933 arm: pgtable: fix NULL pointer dereference issue

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: fix NULL pointer dereference issue When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which will cause a NULL pointer dereference issue in adjustpte: Unable to handle kernel NULL pointe...