CVE-2019-17055

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    CVE-2019-17055

    Published: 1 Oct 2019Last Modified: 15 Mar 2026

    Summary:

    Details: base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JNEWGIK7QA24OIUUL67QZNJN52NB7T/, https://access.redhat.com/errata/RHSA-2020:0790, https://usn.ubuntu.com/4184-1/, http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html, https://usn.ubuntu.com/4186-1/, https://usn.ubuntu.com/4186-2/, https://usn.ubuntu.com/4185-2/, http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.html, https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html, https://seclists.org/bugtraq/2019/Nov/11, https://usn.ubuntu.com/4185-1/, http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html, https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0edc3f703f7bcaf550774b5d43ab727bcd0fe06b, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b91ee4aa2a2199ba4d4650706c272985a5a32d80

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2019-17055 | CVE-DB