UBUNTU-CVE-2017-17863

    Dashboard / Vulnerabilities / UBUNTU-CVE-2017-17863

    UBUNTU-CVE-2017-17863

    Published: 27 Dec 2017Last Modified: 4 Feb 2026

    Summary:

    Details: kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.

    References: https://ubuntu.com/security/CVE-2017-17863, http://www.openwall.com/lists/oss-security/2017/12/24/1, https://www.spinics.net/lists/stable/msg206985.html, https://ubuntu.com/security/notices/USN-3523-1, https://ubuntu.com/security/notices/USN-3523-2, https://ubuntu.com/security/notices/USN-3523-3, https://www.cve.org/CVERecord?id=CVE-2017-17863

    Affected packages

    Package

    Name: linux-flo

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.4.0-5.19
    3.4.0-5.22
    3.4.0-5.23

    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