cvelist/2020/27xxx/CVE-2020-27820.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2020-27820",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if \"unbind\" the driver)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Use After Free",
                        "cweId": "CWE-416"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Red Hat",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Red Hat Enterprise Linux 8",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "0:4.18.0-372.9.1.rt7.166.el8",
                                            "version_affected": "!"
                                        },
                                        {
                                            "version_value": "0:4.18.0-372.9.1.el8",
                                            "version_affected": "!"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline@redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline@redhat.com/"
            },
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline@redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline@redhat.com/"
            },
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline@redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline@redhat.com/"
            },
            {
                "url": "https://www.oracle.com/security-alerts/cpujul2022.html",
                "refsource": "MISC",
                "name": "https://www.oracle.com/security-alerts/cpujul2022.html"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2022:1975",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2022:1975"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2022:1988",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2022:1988"
            },
            {
                "url": "https://access.redhat.com/security/cve/CVE-2020-27820",
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2020-27820"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1901726",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1901726"
            },
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-2-jcline%40redhat.com/"
            },
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-3-jcline%40redhat.com/"
            },
            {
                "url": "https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/",
                "refsource": "MISC",
                "name": "https://lore.kernel.org/dri-devel/20201103194912.184413-4-jcline%40redhat.com/"
            }
        ]
    },
    "work_around": [
        {
            "lang": "en",
            "value": "To mitigate this issue, prevent the module nouveau from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically."
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "This issue was discovered by Jeremy Cline (Red Hat)."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 4.1,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}