NetSight
IP …
high7.1

CVE-2026-43141

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 NT…

Impact

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 products

VendorProductAffected versions
LinuxLinux Kernel
from 4.15 before 5.10.252
from 5.11 before 5.15.202
from 5.16 before 6.1.165
from 6.2 before 6.6.128
from 6.7 before 6.12.75
from 6.13 before 6.18.16

Weakness classification

CWE-125

References