CVE-2026-43141

HIGH EPSS 3.1%
Published May 6, 20261mo ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
High
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.15  –  <5.10.252
linuxlinux_kernel*≥5.11  –  <5.15.202
linuxlinux_kernel*≥5.16  –  <6.1.165
linuxlinux_kernel*≥6.2  –  <6.6.128
linuxlinux_kernel*≥6.7  –  <6.12.75
linuxlinux_kernel*≥6.13  –  <6.18.16
linuxlinux_kernel*≥6.19  –  <6.19.6

References 8

  • git.kernel.org https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3
    Patch