Bug 2467130 (CVE-2026-43241) - CVE-2026-43241 kernel: ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access
Summary: CVE-2026-43241 kernel: ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds a...
Keywords:
Status: NEW
Alias: CVE-2026-43241
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-06 13:05 UTC by OSIDB Bzimport
Modified: 2026-05-06 22:52 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-05-06 13:05:54 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access

Number of MW LUTs depends on NTB configuration and can be set to MAX_MWS,
This patch protects against invalid index out of bounds access to mw_sizes
When invalid access print message to user that configuration is not valid.
Comment 1 Keith Grant 2026-05-06 22:50:22 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026050600-CVE-2026-43241-b0ad@gregkh/T
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