{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "kernel",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "kernel 5.9.14"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-476",
                            "description": "CWE-476",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-06-25T05:06:13.000Z",
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat"
            },
            "references": [
                {
                    "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2020/12/08/1"
                },
                {
                    "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2020/12/08/4"
                },
                {
                    "name": "DSA-4843",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_DEBIAN"
                    ],
                    "url": "https://www.debian.org/security/2021/dsa-4843"
                },
                {
                    "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
                    "tags": [
                        "mailing-list",
                        "x_refsource_MLIST"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900"
                },
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://security.netapp.com/advisory/ntap-20210625-0004/"
                }
            ],
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "secalert@redhat.com",
                    "ID": "CVE-2020-27830",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "kernel",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": "kernel 5.9.14"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "n/a"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash."
                        }
                    ]
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-476"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2020/12/08/1"
                        },
                        {
                            "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                            "refsource": "MLIST",
                            "url": "http://www.openwall.com/lists/oss-security/2020/12/08/4"
                        },
                        {
                            "name": "DSA-4843",
                            "refsource": "DEBIAN",
                            "url": "https://www.debian.org/security/2021/dsa-4843"
                        },
                        {
                            "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
                            "refsource": "MLIST",
                            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
                        },
                        {
                            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900",
                            "refsource": "MISC",
                            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900"
                        },
                        {
                            "name": "https://security.netapp.com/advisory/ntap-20210625-0004/",
                            "refsource": "CONFIRM",
                            "url": "https://security.netapp.com/advisory/ntap-20210625-0004/"
                        }
                    ]
                }
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T16:25:43.662Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2020/12/08/1"
                    },
                    {
                        "name": "[oss-security] 20201208 Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2020/12/08/4"
                    },
                    {
                        "name": "DSA-4843",
                        "tags": [
                            "vendor-advisory",
                            "x_refsource_DEBIAN",
                            "x_transferred"
                        ],
                        "url": "https://www.debian.org/security/2021/dsa-4843"
                    },
                    {
                        "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update",
                        "tags": [
                            "mailing-list",
                            "x_refsource_MLIST",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"
                    },
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919900"
                    },
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://security.netapp.com/advisory/ntap-20210625-0004/"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2020-27830",
        "datePublished": "2021-05-13T14:15:34.000Z",
        "dateReserved": "2020-10-27T00:00:00.000Z",
        "dateUpdated": "2024-08-04T16:25:43.662Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}