CVE-2026-93103

medium

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Preserve unit 0 on allocation failure hfi1_free_devdata() assumes that the device was inserted into the unit table and unconditionally erases dd->unit. If xa_alloc_irq() fails, the zero-initialized unit remains zero, so full cleanup can remove an unrelated device from index 0. Release only the rdmavt allocation and return immediately while the unit table has not acquired the device.

References

https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81

https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051

https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e

https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1

https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20

https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb

https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76

https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0

Details

Source: Mitre, NVD

Published: 2026-09-17

Updated: 2026-09-17

Risk Information

CVSS v2

Base Score: 4.9

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

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium