CVE-2026-68265
Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC When prefetch region is DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC for a BO VMA, the code used it as an index into region_to_mem_type[], causing an out-of-bounds access since the value is -1. Resolve the preferred location for BO VMAs directly: local VRAM on dGFX (using the BO's tile placement) or system memory on iGPU. Discovered using AI-assisted static analysis confirmed by Intel Product Security. v2: -Fix null dereference (cherry picked from commit d9a4906ac03be9f6ed3f3b45c56c866b867fd75b)
How to fix
- Linux Linuxd256dac008d1d9e6378aa1a5454e89a8292d174c, c4affa4e8bc8086b4d3e8d6cf1055a624f813d72, 7bc597ce74bab4153b2009c92eccf889e9d74044 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe ≤ v < d256dac008d1d9e6378aa1a5454e89a8292d174c, c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe ≤ v < c4affa4e8bc8086b4d3e8d6cf1055a624f813d72, c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe ≤ v < 7bc597ce74bab4153b2009c92eccf889e9d74044, 6.18 | d256dac008d1d9e6378aa1a5454e89a8292d174c, c4affa4e8bc8086b4d3e8d6cf1055a624f813d72, 7bc597ce74bab4153b2009c92eccf889e9d74044 |
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Attack Surface Management
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