CVE-2026-93284 - CERT CVE
ID CVE-2026-93284
Sažetak In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: dma-unmap pages before handling migration errors drm_pagemap_migrate_unmap_pages() relies on the pages array to determine which pages require DMA unmapping. However, drm_pagemap_migration_unlock_put_pages() clears the array as part of its cleanup, leaving drm_pagemap_migrate_unmap_pages() with no valid page information if it is called afterward. Call drm_pagemap_migrate_unmap_pages() before drm_pagemap_migration_unlock_put_pages() so the pages array remains valid during DMA unmapping.
Reference
CVSS
Base: 8.8
Impact: 6.0
Exploitability:2.0
Pristup
VektorSloženostAutentikacija
LOCAL LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
HIGH HIGH HIGH
CVSS vektor CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Zadnje važnije ažuriranje 03-10-2026 - 11:17
Objavljeno 24-09-2026 - 17:17