Bug 2502452 (CVE-2026-63881) - CVE-2026-63881 kernel: drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger
Summary: CVE-2026-63881 kernel: drm/amdkfd: fix a vulnerability of integer overflow in...
Keywords:
Status: NEW
Alias: CVE-2026-63881
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-19 16:08 UTC by OSIDB Bzimport
Modified: 2026-07-21 14:00 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-07-19 16:08:57 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger

get_queue_ids() computes array_size = num_queues * sizeof(uint32_t),
which could overflow on 32-bit size_t build. using array_size()
instead, it saturates to SIZE_MAX on overflow.

(cherry picked from commit 2d57a0475f085c08b49312dfd8edcb461845f285)

Comment 1 Mauro Matteo Cascella 2026-07-21 13:57:32 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026071939-CVE-2026-63881-5a86@gregkh/T


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