{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ec0467ccbdeb69a86c8729073057bda7bce00eec"
            },
            {
              "fixed": "d652ef399f131fcd5f8f34266167449ee7c9e5b3"
            },
            {
              "fixed": "5590cd04d6845c01a6bad985a491c58af6fb5389"
            },
            {
              "fixed": "a11d03d116eef138a7249202bd772c8e61915aec"
            },
            {
              "fixed": "d0559d07afabfddaaded6a61a16154486b956764"
            },
            {
              "fixed": "2e4d5e8d86a969318340be95470bb76e52392082"
            },
            {
              "fixed": "a133e3caf844a3f56b6eef89ddaa66115874f6bd"
            },
            {
              "fixed": "1a867d0d79a4a570a33f2f433919ad2bd7a27b67"
            },
            {
              "fixed": "186615f8855a0be4ee7d3fcd09a8ecc10e783b08"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.15.0"
            },
            {
              "fixed": "5.10.252"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43141.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut\n\nNumber of MW LUTs depends on NTB configuration and can be set to zero,\nin such scenario rounddown_pow_of_two will cause undefined behaviour and\nshould not be performed.\nThis patch ensures that rounddown_pow_of_two is called on valid value.",
  "id": "CVE-2026-43141",
  "modified": "2026-07-08T05:37:22.644983452Z",
  "published": "2026-05-06T11:27:26.193Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/186615f8855a0be4ee7d3fcd09a8ecc10e783b08"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a867d0d79a4a570a33f2f433919ad2bd7a27b67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e4d5e8d86a969318340be95470bb76e52392082"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5590cd04d6845c01a6bad985a491c58af6fb5389"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a11d03d116eef138a7249202bd772c8e61915aec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a133e3caf844a3f56b6eef89ddaa66115874f6bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0559d07afabfddaaded6a61a16154486b956764"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d652ef399f131fcd5f8f34266167449ee7c9e5b3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43141.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43141"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut"
}