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{"affected_release": [{"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", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: mptcp: really cope with fastopen race", "id": "2273166", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273166"}, "csaw": false, "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."], "name": "CVE-2024-26708", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "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"], "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.", "threat_severity": "Moderate"}