CVE-2026-63881

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)

References

https://git.kernel.org/stable/c/de70a80992396ee306ee3a2810ad28aa1608ba9b

https://git.kernel.org/stable/c/93f5534b35a05ef8a0109c1eefa800062fee810a

https://git.kernel.org/stable/c/5cf4a41aa0d74e4c83f82d2ce233b5189ed4b43c

https://git.kernel.org/stable/c/4f9eeedc3d3151f8a226fd676c314a813edda5a1

https://git.kernel.org/stable/c/4e5f808b454167cc58d7084a407a554d8ddc694d

Details

Source: Mitre, NVD

Published: 2026-07-19

Updated: 2026-07-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00216