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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-43141

ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < d652ef399f131fcd5f8f34266167449ee7c9e5b3affected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < 5590cd04d6845c01a6bad985a491c58af6fb5389affected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < a11d03d116eef138a7249202bd772c8e61915aecaffected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < d0559d07afabfddaaded6a61a16154486b956764affected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < 2e4d5e8d86a969318340be95470bb76e52392082affected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < a133e3caf844a3f56b6eef89ddaa66115874f6bdaffected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < 1a867d0d79a4a570a33f2f433919ad2bd7a27b67affected
  • ec0467ccbdeb69a86c8729073057bda7bce00eec to < 186615f8855a0be4ee7d3fcd09a8ecc10e783b08affected

Linux Linux

Default version status: affected

  • 4.15affected
  • 0 to < 4.15unaffected
  • 5.10.252 to ≤ 5.10.*unaffected
  • 5.15.202 to ≤ 5.15.*unaffected
  • 6.1.165 to ≤ 6.1.*unaffected
  • 6.6.128 to ≤ 6.6.*unaffected
  • 6.12.75 to ≤ 6.12.*unaffected
  • 6.18.16 to ≤ 6.18.*unaffected
  • 6.19.6 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References