{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-20908",
        "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": "An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh",
                "refsource": "MISC",
                "name": "https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh"
            },
            {
                "url": "https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html",
                "refsource": "MISC",
                "name": "https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html"
            },
            {
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e"
            },
            {
                "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4",
                "refsource": "MISC",
                "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200720 Re: Re: lockdown bypass on ubuntu 18.04's 4.15 kernel for loading unsigned modules",
                "url": "http://www.openwall.com/lists/oss-security/2020/07/20/6"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4427-1",
                "url": "https://usn.ubuntu.com/4427-1/"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities",
                "url": "http://www.openwall.com/lists/oss-security/2020/07/29/3"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200730 Re: UEFI SecureBoot bypass fixes rolled out to kernels below radar",
                "url": "http://www.openwall.com/lists/oss-security/2020/07/30/3"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200730 UEFI SecureBoot bypass fixes rolled out to kernels below radar",
                "url": "http://www.openwall.com/lists/oss-security/2020/07/30/2"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4439-1",
                "url": "https://usn.ubuntu.com/4439-1/"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4426-1",
                "url": "https://usn.ubuntu.com/4426-1/"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4440-1",
                "url": "https://usn.ubuntu.com/4440-1/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2020:1153",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html"
            }
        ]
    }
}