UBUNTU-CVE-2025-40010

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    UBUNTU-CVE-2025-40010

    Published: 20 Oct 2025Last Modified: 8 Oct 2026
    Upstream:
    CVE-2025-40010
    Aliases:
    USN-8095-1
    USN-8095-2
    USN-8095-3

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afs_put_server afs_put_server() accessed server->debug_id before the NULL check, which could lead to a null pointer dereference. Move the debug_id assignment, ensuring we never dereference a NULL server pointer.

    References: https://ubuntu.com/security/CVE-2025-40010, https://www.cve.org/CVERecord?id=CVE-2025-40010, https://git.kernel.org/linus/9158c6bb245113d4966df9b2ba602197a379412e, https://git.kernel.org/stable/c/41782c44bb8431c43043129ae42f2ba614938479, https://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2, https://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e, https://git.kernel.org/stable/c/a13dbc5e20c7284b82afe6f08debdecf51d2ca04, https://git.kernel.org/stable/c/cab278cead49a547ac84c3e185f446f381303eae, https://ubuntu.com/security/notices/USN-8095-1, https://ubuntu.com/security/notices/USN-8100-1, https://ubuntu.com/security/notices/USN-8095-2, https://ubuntu.com/security/notices/USN-8095-3, https://ubuntu.com/security/notices/USN-8095-4, https://ubuntu.com/security/notices/USN-8125-1, https://ubuntu.com/security/notices/USN-8126-1, https://ubuntu.com/security/notices/USN-8095-5, https://ubuntu.com/security/notices/USN-8165-1, https://ubuntu.com/security/notices/USN-8261-1

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?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-2025-40010 | CVE-DB