PT-2026-90883 · Azure Linux · Kernel

Published

2026-09-03

·

Updated

2026-09-03

None

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In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Add bounds check for CRAT subtype length
The CRAT parser validates that the subtype header fits within the image, but does not verify that the advertised subtype length fits. A malformed CRAT table with an oversized length field causes out-of-bounds reads when kfd parse subtype() casts the header to specific subtype structures.
Add validation that sub type hdr + length does not exceed the image boundary before parsing the subtype contents.
(cherry picked from commit 48e1d1e6e8798aef0312e68d8e586021b5b3cf4d)
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Related Identifiers

AZL-99041

Affected Products

Kernel