CVE-2026-43141

Published: May 6, 2026Modified: Jun 17, 2026

7.1

Vector

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

Exploitability: 1.8 / Impact: 5.2

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddown_pow_of_two will cause undefined behaviour and should not be performed. This patch ensures that rounddown_pow_of_two is called on valid value.

Affected (7)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	4.15 ≤ version < 5.10.252
Linux Linux Kernel	5.11 ≤ version < 5.15.202
Linux Linux Kernel	5.16 ≤ version < 6.1.165
Linux Linux Kernel	6.13 ≤ version < 6.18.16
Linux Linux Kernel	6.19 ≤ version < 6.19.6
Linux Linux Kernel	6.2 ≤ version < 6.6.128
Linux Linux Kernel	6.7 ≤ version < 6.12.75