CVE-2026-43241 PUBLISHED

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

Assigner: Linux
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 348e1ac9ad983ed7e62de14e1daf47f1695a4ce9 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to ee02c4f980c91820845dd8e469ec7dc670ab6d9d (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 740945de896021b9a859e71f38f6aea72a6393cf (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 0e930420945106151c6eb3d7837b4e6154e9b144 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 2346856b74823a2a78109002e479a3d02526a9ce (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 47ce292dd45dc689747c40603222691638919189 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • unaffected from 5.10.252 to 5.10.* (incl.)
  • unaffected from 5.15.202 to 5.15.* (incl.)
  • unaffected from 6.1.165 to 6.1.* (incl.)
  • unaffected from 6.6.128 to 6.6.* (incl.)
  • unaffected from 6.12.75 to 6.12.* (incl.)
  • unaffected from 6.18.16 to 6.18.* (incl.)
  • unaffected from 6.19.6 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References