UBUNTU-CVE-2017-12762

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    UBUNTU-CVE-2017-12762

    Published: 9 Aug 2017Last Modified: 26 Aug 2026
    Upstream:
    CVE-2017-12762
    Aliases:
    USN-3420-1
    USN-3420-2
    USN-3620-1

    Summary:

    Details: In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.

    References: https://ubuntu.com/security/CVE-2017-12762, https://patchwork.kernel.org/patch/9880041/, http://seclists.org/oss-sec/2017/q3/274, https://ubuntu.com/security/notices/USN-3420-1, https://ubuntu.com/security/notices/USN-3420-2, https://ubuntu.com/security/notices/USN-3620-1, https://ubuntu.com/security/notices/USN-3620-2, https://www.cve.org/CVERecord?id=CVE-2017-12762

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-144.193

    Affected versions

    3.11.0-12.19

    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