UBUNTU-CVE-2023-3865

    Dashboard / Vulnerabilities / UBUNTU-CVE-2023-3865

    UBUNTU-CVE-2023-3865

    Published: 13 Sept 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-3865
    Aliases:
    USN-6416-1
    USN-6416-2
    USN-6416-3

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bound read in smb2_write ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.

    References: https://ubuntu.com/security/CVE-2023-3865, https://www.zerodayinitiative.com/advisories/ZDI-23-980/, https://git.kernel.org/linus/5fe7f7b78290638806211046a99f031ff26164e1, https://lore.kernel.org/all/[email protected]/, https://ubuntu.com/security/notices/USN-6416-1, https://ubuntu.com/security/notices/USN-6416-2, https://ubuntu.com/security/notices/USN-6416-3, https://ubuntu.com/security/notices/USN-6445-1, https://ubuntu.com/security/notices/USN-6445-2, https://ubuntu.com/security/notices/USN-6464-1, https://ubuntu.com/security/notices/USN-6466-1, https://ubuntu.com/security/notices/USN-6520-1, https://www.cve.org/CVERecord?id=CVE-2023-3865

    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-2023-3865 | CVE-DB