CVE-2026-43141

Medium

Published: —Translated: 17/06/2026(UTC)NVD NIST

Summary

A vulnerability has been identified in the Linux kernel related to ntb_hw_switchtec, which may lead to undefined behavior when the number of MW LUTs is set to zero.

Risk Assessment

Organizations may be exposed to unpredictable system behavior, potentially leading to crashes or data integrity issues.

Recommendation

It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability.

Original NVD description (English source)

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. T