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CVE-2026-43141

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CVE-2026-43141

Published: May 6, 2026

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
ec0467ccbdeb69a86c8729073057bda7bce00eec - < d652ef399f131fcd5f8f34266167449ee7c9e5b3
affected
ec0467ccbdeb69a86c8729073057bda7bce00eec - < 5590cd04d6845c01a6bad985a491c58af6fb5389
affected
ec0467ccbdeb69a86c8729073057bda7bce00eec - < a11d03d116eef138a7249202bd772c8e61915aec
affected
ec0467ccbdeb69a86c8729073057bda7bce00eec - < d0559d07afabfddaaded6a61a16154486b956764
affected
ec0467ccbdeb69a86c8729073057bda7bce00eec - < 2e4d5e8d86a969318340be95470bb76e52392082

+3 more versions

Linux

Linux

affected
4.15
unaffected
0 - < 4.15
unaffected
5.10.252 - <= 5.10.*
unaffected
5.15.202 - <= 5.15.*
unaffected
6.1.165 - <= 6.1.*

+5 more versions

References

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