{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-23169",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-23169"
  ],
  "published": "2026-02-14T16:05:08Z",
  "summary": "mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix race in mptcp_pm_nl_flush_addrs_doit()\n\nsyzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id()\nand/or mptcp_pm_nl_is_backup()\n\nRoot cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit()\nwhich is not RCU ready.\n\nlist_splice_init_rcu() can not be called here while holding pernet->lock\nspinlock.\n\nMany thanks to Eulgyu Kim for providing a repro and testing our patches.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.164",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23169"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/338d40bab283da2639780ee3e458fb61f1567d8c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7896dbe990d56d5bb8097863b2645355633665eb"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/455e882192c9833f176f3fbbbb2f036b6c5bf555"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/51223bdd0f60b06cfc7f25885c4d4be917adba94"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1f1b9523527df02685dde603f20ff6e603d8e4a1"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e2a9eeb69f7d4ca4cf4c70463af77664fdb6ab1d"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T13:16:28Z"
  }
}