CVE-2026-43141 — ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut
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 …
Published: 2026-05-06 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7