{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2017-12190",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The bio_map_user_iov and bio_unmap_user functions in block/bio.c in the Linux kernel before 4.13.8 do unbalanced refcounting when a SCSI I/O vector has small consecutive buffers belonging to the same page. The bio_add_pc_page function merges them into one, but the page reference is never dropped. This causes a memory leak and possible system lockup (exploitable against the host OS by a guest OS user, if a SCSI disk is passed through to a virtual machine) due to an out-of-memory condition."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400",
                        "cweId": "CWE-400"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux kernel through v4.14-rc5",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "Linux kernel through v4.14-rc5"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://usn.ubuntu.com/3583-1/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3583-1/"
            },
            {
                "url": "https://usn.ubuntu.com/3583-2/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3583-2/"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html"
            },
            {
                "url": "https://usn.ubuntu.com/3582-1/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3582-1/"
            },
            {
                "url": "https://usn.ubuntu.com/3582-2/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3582-2/"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0676",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0676"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:1062",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:1062"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:1854",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:1854"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2018:0654",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2018:0654"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2019:1170",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2019:1170"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2019:1190",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2019:1190"
            },
            {
                "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058",
                "refsource": "MISC",
                "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058"
            },
            {
                "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95d78c28b5a85bacbc29b8dba7c04babb9b0d467",
                "refsource": "MISC",
                "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95d78c28b5a85bacbc29b8dba7c04babb9b0d467"
            },
            {
                "url": "http://seclists.org/oss-sec/2017/q4/52",
                "refsource": "MISC",
                "name": "http://seclists.org/oss-sec/2017/q4/52"
            },
            {
                "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8",
                "refsource": "MISC",
                "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8"
            },
            {
                "url": "http://www.securityfocus.com/bid/101911",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/101911"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/95d78c28b5a85bacbc29b8dba7c04babb9b0d467",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/95d78c28b5a85bacbc29b8dba7c04babb9b0d467"
            },
            {
                "url": "https://support.f5.com/csp/article/K93472064?utm_source=f5support&amp%3Butm_medium=RSS",
                "refsource": "MISC",
                "name": "https://support.f5.com/csp/article/K93472064?utm_source=f5support&amp%3Butm_medium=RSS"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1495089",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1495089"
            }
        ]
    }
}