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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-80582

drm/shmem_helper: Check VMA boundaries for PMD mappings

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/shmem_helper: Check VMA boundaries for PMD mappings In the ->huge_fault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA. All other ->huge_fault handlers have similar checks and the resulting mapping will trigger a VM_BUG_ON_VMA() if it ever reaches copy_pmd_range().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • fc3bbf34e643faa8678aabdc3810c60109f3435a to < 12803e89a1e593fd1e784dfe7453f5e392ccaff2affected
  • fc3bbf34e643faa8678aabdc3810c60109f3435a to < 617bbd08714857c1613d7c550d43a9092ec0fb97affected

Linux Linux

Default version status: affected

  • 7.0affected
  • 0 to < 7.0unaffected
  • 7.1.10 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References