{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Linux Kernel",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5.9.2"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-362",
                            "description": "CWE-362 -> CWE-416",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-07-02T11:06:20.000Z",
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat"
            },
            "references": [
                {
                    "name": "[oss-security] 20201030 CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2020/10/30/1"
                },
                {
                    "name": "[oss-security] 20201104 Re: CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2020/11/04/3"
                },
                {
                    "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
                },
                {
                    "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.openwall.com/lists/oss-security/2020/11/04/3%2C"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.openwall.com/lists/oss-security/2020/10/30/1%2C"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://security.netapp.com/advisory/ntap-20210702-0005/"
                }
            ],
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "secalert@redhat.com",
                    "ID": "CVE-2020-25668",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Linux Kernel",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": "5.9.2"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "n/a"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op."
                        }
                    ]
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-362 -> CWE-416"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "[oss-security] 20201030 CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2020/10/30/1"
                        },
                        {
                            "name": "[oss-security] 20201104 Re: CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2020/11/04/3"
                        },
                        {
                            "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
                        },
                        {
                            "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
                        },
                        {
                            "name": "https://www.openwall.com/lists/oss-security/2020/11/04/3,",
                            "refsource": "MISC",
                            "url": "https://www.openwall.com/lists/oss-security/2020/11/04/3,"
                        },
                        {
                            "name": "https://www.openwall.com/lists/oss-security/2020/10/30/1,",
                            "refsource": "MISC",
                            "url": "https://www.openwall.com/lists/oss-security/2020/10/30/1,"
                        },
                        {
                            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1893287,",
                            "refsource": "MISC",
                            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1893287,"
                        },
                        {
                            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220",
                            "refsource": "MISC",
                            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220"
                        },
                        {
                            "name": "https://security.netapp.com/advisory/ntap-20210702-0005/",
                            "refsource": "CONFIRM",
                            "url": "https://security.netapp.com/advisory/ntap-20210702-0005/"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T15:40:36.882Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "[oss-security] 20201030 CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2020/10/30/1"
                    },
                    {
                        "name": "[oss-security] 20201104 Re: CVE-2020-25668: Linux kernel concurrency use-after-free in vt",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2020/11/04/3"
                    },
                    {
                        "name": "[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"
                    },
                    {
                        "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.openwall.com/lists/oss-security/2020/11/04/3%2C"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.openwall.com/lists/oss-security/2020/10/30/1%2C"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://security.netapp.com/advisory/ntap-20210702-0005/"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2020-25668",
        "datePublished": "2021-05-26T11:11:04.000Z",
        "dateReserved": "2020-09-16T00:00:00.000Z",
        "dateUpdated": "2024-08-04T15:40:36.882Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}