Live › vulnerability › CVE-2026-98566
Go to dashboardThe Linux kernel's Imagination PowerVR GPU driver (drm/imagination) used a firmware-supplied count to index fixed-size freelist arrays without bounding it. The fix clamps that count to the request capacity; the sources do not say what an attacker gets beyond an out-of-bounds access.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
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In the Linux kernel, the following vulnerability has been resolved:
drm/imagination: clamp freelist reconstruction requests
The firmware reconstruction count controls accesses to the request's fixed freelist ID array and the copy into the fixed response array. Neither access currently bounds the count to those protocol arrays.
Clamp the count to the request capacity, which is shared by the response layout, and use that count consistently for reconstruction and response publication. Keep the firmware recovery exchange instead of dropping an oversized request without a response, as discussed with the firmware maintainer.
The issue was found by our static-analysis tool.
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