High 7.8Published Jul 19, 2026

CVE-2026-63881drm/amdkfd: fix a vulnerability of integer overflow in kfd debugger

Updated under an hour ago (Oct 28, 2026, 9:50 PM ET)

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Exploited in the last 30 days

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)

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from a70a93fa568b4f05aba548dadb673703eccf5480 before 4e5f808b454167cc58d7084a407a554d8ddc694d; from a70a93fa568b4f05aba548dadb673703eccf5480 before de70a80992396ee306ee3a2810ad28aa1608ba9b; from a70a93fa568b4f05aba548dadb673703eccf5480 before 5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c; from a70a93fa568b4f05aba548dadb673703eccf5480 before 4f9eeedc3d3151f8a226fd676c314a813edda5a1; from a70a93fa568b4f05aba548dadb673703eccf5480 before 93f5534b35a05ef8a0109c1eefa800062fee810a	CNA record
linux linux_kernel linux:linux_kernel	from 6.5 before 6.6.143; from 6.7 before 6.12.93; from 6.13 before 6.18.35; from 6.19 before 7.0.12; 7.1; 7.1; 7.1; 7.1; and 1 more ranges	NVD

References

References

https://git.kernel.org/stable/c/4e5f808b454167cc58d7084a407a554d8ddc694d	patch
https://git.kernel.org/stable/c/de70a80992396ee306ee3a2810ad28aa1608ba9b	patch
https://git.kernel.org/stable/c/5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c	patch
https://git.kernel.org/stable/c/4f9eeedc3d3151f8a226fd676c314a813edda5a1	patch
https://git.kernel.org/stable/c/93f5534b35a05ef8a0109c1eefa800062fee810a	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.