CVE-2026-90064
Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Reject page faults from non-fault-mode scratch VMs Having scratch enabled does not make a VM capable of handling recoverable page faults. Allowing scratch VMs through the ASID lookup also admits dma-fence mode VMs. If such a VM faults on an already valid VMA, the handler reports success without fixing the fault, causing the GPU to retry indefinitely. Only allow fault-mode VMs through the ASID lookup. Fault-mode VMs using scratch remain supported, while faults from 3D VMs are rejected. (cherry picked from commit bfb24a06405b652d37831f3fb66b71d33a6605de)
How to fix
- Linux Linux905d648e97ef3a291f71a935a7fab0133f27f0f7, 5e977521d21717edb8e91d004434697d6e3f248c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | ad9843aac91a1eda12912a4922042ea04cfc29dc ≤ v < 905d648e97ef3a291f71a935a7fab0133f27f0f7, ad9843aac91a1eda12912a4922042ea04cfc29dc ≤ v < 5e977521d21717edb8e91d004434697d6e3f248c, 7.1 | 905d648e97ef3a291f71a935a7fab0133f27f0f7, 5e977521d21717edb8e91d004434697d6e3f248c |
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