{
  "threat_severity" : "Moderate",
  "public_date" : "2024-04-03T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: mptcp: really cope with fastopen race",
    "id" : "2273166",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2273166"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-362",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nmptcp: really cope with fastopen race\nFastopen and PM-trigger subflow shutdown can race, as reported by\nsyzkaller.\nIn my first attempt to close such race, I missed the fact that\nthe subflow status can change again before the subflow_state_change\ncallback is invoked.\nAddress the issue additionally copying with all the states directly\nreachable from TCP_FIN_WAIT1.", "A vulnerability was found in the subflow_simultaneous_connect() function in the mptcp component in the Linux kernel, where not all possible subflow states are evaluated, leading to a potential race condition. This issue could lead to undefined network behavior." ],
  "statement" : "This vulnerability is rated as moderate because a race condition could be triggered and this could result in undefined network behavior. However, this undefined behavior would most likely only cause issues for a specific TCP connection/subflow.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-26708\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26708\nhttps://lore.kernel.org/linux-cve-announce/2024040341-CVE-2024-26708-c98a@gregkh/T" ],
  "name" : "CVE-2024-26708",
  "csaw" : false
}