{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ffd980f976e7fd666c2e61bf8ab35107efd11828"
            },
            {
              "fixed": "cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce"
            },
            {
              "fixed": "204f2b232717bc470ddb9e1da1d27dd9c6ef0caa"
            },
            {
              "fixed": "e061624c0a86c3c26a2bf017e432fbc93ad68f3a"
            },
            {
              "fixed": "7d966cdee006911d3957e1a4e72cb93c39cd8c1e"
            },
            {
              "fixed": "1b475c0c72f44622a320a4386ce9e76f85e69bc7"
            },
            {
              "fixed": "deb6a697cce3f021e731df543597f37a5e54caab"
            },
            {
              "fixed": "59bfddea64159594feb62ef11b7d7a33c8ee3783"
            },
            {
              "fixed": "62ec41f364648be79d54d94d0d240ee326948afd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.25"
            },
            {
              "fixed": "5.10.265"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72114.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: validate frame length in bcm_rx_setup() for RTR replies\n\nbcm_tx_setup() validates cf-\u003elen against the CAN/CAN FD DLC limits\nbefore installing frames for TX_SETUP, but bcm_rx_setup() never did\nthe same for the RTR-reply frame configured via RX_SETUP with\nRX_RTR_FRAME.",
  "id": "CVE-2026-72114",
  "modified": "2026-08-20T03:30:15.670313439Z",
  "published": "2026-08-15T05:52:54.750Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b475c0c72f44622a320a4386ce9e76f85e69bc7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/204f2b232717bc470ddb9e1da1d27dd9c6ef0caa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/59bfddea64159594feb62ef11b7d7a33c8ee3783"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62ec41f364648be79d54d94d0d240ee326948afd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d966cdee006911d3957e1a4e72cb93c39cd8c1e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/deb6a697cce3f021e731df543597f37a5e54caab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e061624c0a86c3c26a2bf017e432fbc93ad68f3a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72114.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72114"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "can: bcm: validate frame length in bcm_rx_setup() for RTR replies"
}