{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "75388acd0cd827dc1498043daa7d1c760902cd67"
            },
            {
              "fixed": "a92bd0503df2488f2cc040f329ebccff1c1934cb"
            },
            {
              "fixed": "df805c1d085b7a96077f0964185764c87060950d"
            },
            {
              "fixed": "4242db36de99de734cc1f60e5edd86cda7e598c6"
            },
            {
              "fixed": "1baaeb6adecb9691748c0253dab6ddd19a2b4e9e"
            },
            {
              "fixed": "6ee946077607d7783ae6709a899213fc4fe08f35"
            },
            {
              "fixed": "9d1bc155802943e92c57a5fb923d23edfbf0b525"
            },
            {
              "fixed": "fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5"
            },
            {
              "fixed": "a035766f970bde2d4298346a31a80685be5c0205"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.24"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46163.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: b43legacy: enforce bounds check on firmware key index in RX path\n\nSame fix as b43: the firmware-controlled key index in b43legacy_rx()\ncan exceed dev-\u003emax_nr_keys. The existing B43legacy_WARN_ON is\nnon-enforcing in production builds, allowing an out-of-bounds read of\ndev-\u003ekey[].\n\nMake the check enforcing by dropping the frame for invalid indices.",
  "id": "CVE-2026-46163",
  "modified": "2026-07-15T01:49:17.944941557Z",
  "published": "2026-05-28T09:36:18.946Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4242db36de99de734cc1f60e5edd86cda7e598c6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a92bd0503df2488f2cc040f329ebccff1c1934cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/df805c1d085b7a96077f0964185764c87060950d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46163.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46163"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "wifi: b43legacy: enforce bounds check on firmware key index in RX path"
}