UBUNTU-CVE-2024-26708

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    UBUNTU-CVE-2024-26708

    Published: 3 Apr 2024Last Modified: 6 Feb 2026
    Upstream:
    CVE-2024-26708
    Aliases:
    USN-6895-1
    USN-6895-2
    USN-6895-3

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: mptcp: really cope with fastopen race Fastopen and PM-trigger subflow shutdown can race, as reported by syzkaller. In my first attempt to close such race, I missed the fact that the subflow status can change again before the subflow_state_change callback is invoked. Address the issue additionally copying with all the states directly reachable from TCP_FIN_WAIT1.

    References: https://ubuntu.com/security/CVE-2024-26708, https://git.kernel.org/linus/337cebbd850f94147cee05252778f8f78b8c337f, https://git.kernel.org/stable/c/4bfe217e075d04e63c092df9d40c608e598c2ef2, https://git.kernel.org/stable/c/e158fb9679d15a2317ec13b4f6301bd26265df2f, https://git.kernel.org/stable/c/337cebbd850f94147cee05252778f8f78b8c337f, https://www.cve.org/CVERecord?id=CVE-2024-26708, https://ubuntu.com/security/notices/USN-6895-1, https://ubuntu.com/security/notices/USN-6895-2, https://ubuntu.com/security/notices/USN-6900-1, https://ubuntu.com/security/notices/USN-6895-3, https://ubuntu.com/security/notices/USN-6895-4

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2024-26708 | CVE-DB