CVE-2026-63881 | In the Linux kernel, the following vulnerability has been re… | CVSS 7.8 HIGH

Description

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)

Metadata

CVE ID: CVE-2026-63881
State: PUBLISHED
Assigner: Linux
Reserved: 2026-07-19 07:54 UTC
Published: 2026-07-19 14:54 UTC
Last updated: 2026-07-20 13:41 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	a70a93fa568b4f05aba548dadb673703eccf5480 < 4e5f808b454167cc58d7084a407a554d8ddc694d, a70a93fa568b4f05aba548dadb673703eccf5480 < de70a80992396ee306ee3a2810ad28aa1608ba9b, a70a93fa568b4f05aba548dadb673703eccf5480 < 5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c, a70a93fa568b4f05aba548dadb673703eccf5480 < 4f9eeedc3d3151f8a226fd676c314a813edda5a1 …
Linux	Linux	—	6.5, 0 < 6.5, 6.6.143 ≤ 6.6., 6.12.93 ≤ 6.12. …

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.8	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (5)