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  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72120.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: add missing rcu list annotations and operations\n\nsashiko-bot remarked the missing use of list_add_rcu() in\nbcm_[rx|tx]_setup() to have a proper initialized bcm_op structure\nwhen bcm_proc_show() traverses the bcm_op's under rcu_read_lock().\n\nTo cover all initial settings of the bcm_op's the list_add_rcu() calls\nare moved to the end of the setup code.\n\nWhile at it, also fix the mirroring removal side: bcm_release() called\nbcm_remove_op() - which frees the op via call_rcu() - on ops that were\nstill linked in bo-\u003etx_ops/bo-\u003erx_ops, without list_del_rcu() first.\nUnlink each op with list_del_rcu() before handing it to bcm_remove_op(),\nmatching the existing pattern in bcm_delete_tx_op()/bcm_delete_rx_op().",
  "id": "CVE-2026-72120",
  "modified": "2026-08-18T03:31:23.862657975Z",
  "published": "2026-08-15T05:52:59.226Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30f7bb922cb7e7f072a56c7cb7a5efccd2ceca1d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e22e8b505f877573bbdfdbcb680babad9b2f7a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b2c3eabc4dafc062a25e10711154f2107526a78"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8357255e56dc1aaa437e3c53ee9385de984e0d57"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8e1c7257c81577130f5ce90f69b2a2c3ce63f957"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b06a4a397ac826603f39875cb7c7819a41365196"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb1c26eab4d1f0b4450439b4b88c3e73faf1da98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f53bdab85e64eb57d6899a30d1307fd5a3639cc7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72120.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72120"
    },
    {
      "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: add missing rcu list annotations and operations"
}