{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "n/a",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "n/a"
                        }
                    ]
                }
            ],
            "datePublic": "2018-10-29T00:00:00",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Since Linux kernel version 3.2, the mremap() syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the middle of mremap(), a stale TLB entry can remain for a short time that permits access to a physical page after it has been released back to the page allocator and reused. This is fixed in the following kernel versions: 4.9.135, 4.14.78, 4.18.16, 4.19."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "n/a",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2020-01-21T19:06:22",
                "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
                "shortName": "mitre"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "http://packetstormsecurity.com/files/150001/Linux-mremap-TLB-Flush-Too-Late.html"
                },
                {
                    "name": "USN-3835-1",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3835-1/"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.16"
                },
                {
                    "name": "USN-3880-1",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3880-1/"
                },
                {
                    "name": "USN-3871-5",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3871-5/"
                },
                {
                    "name": "USN-3871-4",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3871-4/"
                },
                {
                    "name": "[oss-security] 20181029 Linux kernel: TLB flush happens too late on mremap (CVE-2018-18281; fixed in 4.9.135, 4.14.78, 4.18.16, 4.19)",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2018/10/29/5"
                },
                {
                    "name": "USN-3880-2",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3880-2/"
                },
                {
                    "name": "USN-3832-1",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3832-1/"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb66ae030829605d61fbef1909ce310e29f78821"
                },
                {
                    "name": "105761",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_BID"
                    ],
                    "url": "http://www.securityfocus.com/bid/105761"
                },
                {
                    "name": "USN-3871-1",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3871-1/"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.78"
                },
                {
                    "name": "106503",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_BID"
                    ],
                    "url": "http://www.securityfocus.com/bid/106503"
                },
                {
                    "name": "USN-3871-3",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_UBUNTU"
                    ],
                    "url": "https://usn.ubuntu.com/3871-3/"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1695"
                },
                {
                    "name": "[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.135"
                },
                {
                    "name": "[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html"
                },
                {
                    "name": "[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html"
                },
                {
                    "name": "RHSA-2019:0831",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2019:0831"
                },
                {
                    "name": "RHSA-2019:2043",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2019:2043"
                },
                {
                    "name": "RHSA-2019:2029",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2019:2029"
                },
                {
                    "name": "RHSA-2020:0036",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2020:0036"
                },
                {
                    "name": "RHSA-2020:0100",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2020:0100"
                },
                {
                    "name": "RHSA-2020:0103",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2020:0103"
                },
                {
                    "name": "RHSA-2020:0179",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2020:0179"
                }
            ],
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "cve@mitre.org",
                    "ID": "CVE-2018-18281",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "n/a",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": "n/a"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "n/a"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "Since Linux kernel version 3.2, the mremap() syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the middle of mremap(), a stale TLB entry can remain for a short time that permits access to a physical page after it has been released back to the page allocator and reused. This is fixed in the following kernel versions: 4.9.135, 4.14.78, 4.18.16, 4.19."
                        }
                    ]
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "n/a"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "http://packetstormsecurity.com/files/150001/Linux-mremap-TLB-Flush-Too-Late.html",
                            "refsource": "MISC",
                            "url": "http://packetstormsecurity.com/files/150001/Linux-mremap-TLB-Flush-Too-Late.html"
                        },
                        {
                            "name": "USN-3835-1",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3835-1/"
                        },
                        {
                            "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.16",
                            "refsource": "CONFIRM",
                            "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.16"
                        },
                        {
                            "name": "USN-3880-1",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3880-1/"
                        },
                        {
                            "name": "USN-3871-5",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3871-5/"
                        },
                        {
                            "name": "USN-3871-4",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3871-4/"
                        },
                        {
                            "name": "[oss-security] 20181029 Linux kernel: TLB flush happens too late on mremap (CVE-2018-18281; fixed in 4.9.135, 4.14.78, 4.18.16, 4.19)",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2018/10/29/5"
                        },
                        {
                            "name": "USN-3880-2",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3880-2/"
                        },
                        {
                            "name": "USN-3832-1",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3832-1/"
                        },
                        {
                            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb66ae030829605d61fbef1909ce310e29f78821",
                            "refsource": "CONFIRM",
                            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb66ae030829605d61fbef1909ce310e29f78821"
                        },
                        {
                            "name": "105761",
                            "refsource": "BID",
                            "url": "http://www.securityfocus.com/bid/105761"
                        },
                        {
                            "name": "USN-3871-1",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3871-1/"
                        },
                        {
                            "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.78",
                            "refsource": "CONFIRM",
                            "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.78"
                        },
                        {
                            "name": "106503",
                            "refsource": "BID",
                            "url": "http://www.securityfocus.com/bid/106503"
                        },
                        {
                            "name": "USN-3871-3",
                            "refsource": "UBUNTU",
                            "url": "https://usn.ubuntu.com/3871-3/"
                        },
                        {
                            "name": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1695",
                            "refsource": "MISC",
                            "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1695"
                        },
                        {
                            "name": "[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"
                        },
                        {
                            "name": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.135",
                            "refsource": "CONFIRM",
                            "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.135"
                        },
                        {
                            "name": "[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html"
                        },
                        {
                            "name": "[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html"
                        },
                        {
                            "name": "RHSA-2019:0831",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2019:0831"
                        },
                        {
                            "name": "RHSA-2019:2043",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2019:2043"
                        },
                        {
                            "name": "RHSA-2019:2029",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2019:2029"
                        },
                        {
                            "name": "RHSA-2020:0036",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2020:0036"
                        },
                        {
                            "name": "RHSA-2020:0100",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2020:0100"
                        },
                        {
                            "name": "RHSA-2020:0103",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2020:0103"
                        },
                        {
                            "name": "RHSA-2020:0179",
                            "refsource": "REDHAT",
                            "url": "https://access.redhat.com/errata/RHSA-2020:0179"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-05T11:08:21.376Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "http://packetstormsecurity.com/files/150001/Linux-mremap-TLB-Flush-Too-Late.html"
                    },
                    {
                        "name": "USN-3835-1",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3835-1/"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.16"
                    },
                    {
                        "name": "USN-3880-1",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3880-1/"
                    },
                    {
                        "name": "USN-3871-5",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3871-5/"
                    },
                    {
                        "name": "USN-3871-4",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3871-4/"
                    },
                    {
                        "name": "[oss-security] 20181029 Linux kernel: TLB flush happens too late on mremap (CVE-2018-18281; fixed in 4.9.135, 4.14.78, 4.18.16, 4.19)",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2018/10/29/5"
                    },
                    {
                        "name": "USN-3880-2",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3880-2/"
                    },
                    {
                        "name": "USN-3832-1",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3832-1/"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb66ae030829605d61fbef1909ce310e29f78821"
                    },
                    {
                        "name": "105761",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_BID",
                            "x_transferred"
                        ],
                        "url": "http://www.securityfocus.com/bid/105761"
                    },
                    {
                        "name": "USN-3871-1",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3871-1/"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.78"
                    },
                    {
                        "name": "106503",
                        "tags": [
                            "vdb-entry",
                            "x_refsource_BID",
                            "x_transferred"
                        ],
                        "url": "http://www.securityfocus.com/bid/106503"
                    },
                    {
                        "name": "USN-3871-3",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_UBUNTU",
                            "x_transferred"
                        ],
                        "url": "https://usn.ubuntu.com/3871-3/"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1695"
                    },
                    {
                        "name": "[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.135"
                    },
                    {
                        "name": "[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html"
                    },
                    {
                        "name": "[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html"
                    },
                    {
                        "name": "RHSA-2019:0831",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2019:0831"
                    },
                    {
                        "name": "RHSA-2019:2043",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2019:2043"
                    },
                    {
                        "name": "RHSA-2019:2029",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2019:2029"
                    },
                    {
                        "name": "RHSA-2020:0036",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2020:0036"
                    },
                    {
                        "name": "RHSA-2020:0100",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2020:0100"
                    },
                    {
                        "name": "RHSA-2020:0103",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2020:0103"
                    },
                    {
                        "name": "RHSA-2020:0179",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_REDHAT",
                            "x_transferred"
                        ],
                        "url": "https://access.redhat.com/errata/RHSA-2020:0179"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2018-18281",
        "datePublished": "2018-10-30T18:00:00",
        "dateReserved": "2018-10-12T00:00:00",
        "dateUpdated": "2024-08-05T11:08:21.376Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}