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Vulnerability record · CVE-2026-43241 · published 6 May 2026

CVE-2026-43241: Linux kernel out-of-bounds read vulnerability

Linux · Linux Kernel

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.

7.1 CVSS 3.1 High EPSS 0.17% · top 94.7% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/0e930420945106151c6eb3d7837b4e6154e9b144 Patch
https://git.kernel.org/stable/c/2346856b74823a2a78109002e479a3d02526a9ce Patch
https://git.kernel.org/stable/c/348e1ac9ad983ed7e62de14e1daf47f1695a4ce9 Patch
https://git.kernel.org/stable/c/47ce292dd45dc689747c40603222691638919189 Patch
https://git.kernel.org/stable/c/740945de896021b9a859e71f38f6aea72a6393cf Patch
https://git.kernel.org/stable/c/85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92 Patch
https://git.kernel.org/stable/c/c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface Patch
https://git.kernel.org/stable/c/ee02c4f980c91820845dd8e469ec7dc670ab6d9d Patch

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Source: NIST National Vulnerability Database (record CVE-2026-43241), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.