UBUNTU-CVE-2017-18257

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    UBUNTU-CVE-2017-18257

    Published: 4 Apr 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-18257

    Summary:

    Details: The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.

    References: https://ubuntu.com/security/CVE-2017-18257, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143, https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143, https://ubuntu.com/security/notices/USN-3696-1, https://ubuntu.com/security/notices/USN-3696-2, https://www.cve.org/CVERecord?id=CVE-2017-18257

    Affected packages

    Package

    Name: linux-aws

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1024.25

    Affected versions

    4.4.0-1002.2
    4.4.0-1003.3
    4.4.0-1005.5
    4.4.0-1006.6
    4.4.0-1009.9
    4.4.0-1010.10
    4.4.0-1011.11
    4.4.0-1012.12
    4.4.0-1014.14
    4.4.0-1016.16
    4.4.0-1017.17
    4.4.0-1019.19
    4.4.0-1022.22
    4.4.0-1023.23

    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