UBUNTU-CVE-2023-35788

    Dashboard / Vulnerabilities / UBUNTU-CVE-2023-35788

    UBUNTU-CVE-2023-35788

    Published: 16 Jun 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-35788
    Aliases:
    USN-6192-1
    USN-6193-1
    USN-6194-1

    Summary:

    Details: An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.

    References: https://ubuntu.com/security/CVE-2023-35788, https://www.openwall.com/lists/oss-security/2023/06/07/1, https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c, https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c, https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7, http://www.openwall.com/lists/oss-security/2023/06/17/1, https://www.openwall.com/lists/oss-security/2023/06/12/1, https://ubuntu.com/security/notices/USN-6192-1, https://ubuntu.com/security/notices/USN-6193-1, https://ubuntu.com/security/notices/USN-6194-1, https://ubuntu.com/security/notices/USN-6205-1, https://ubuntu.com/security/notices/USN-6206-1, https://ubuntu.com/security/notices/USN-6212-1, https://ubuntu.com/security/notices/USN-6220-1, https://ubuntu.com/security/notices/USN-6223-1, https://ubuntu.com/security/notices/USN-6234-1, https://ubuntu.com/security/notices/USN-6235-1, https://ubuntu.com/security/notices/USN-6256-1, https://www.cve.org/CVERecord?id=CVE-2023-35788

    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-2023-35788 | CVE-DB