{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-28038",
        "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 the Linux kernel through 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a result of changes to the handling of grant mapping errors). A host OS denial of service may occur during misbehavior of a networking frontend driver. NOTE: this issue exists because of an incomplete fix for CVE-2021-26931."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "http://xenbits.xen.org/xsa/advisory-367.html",
                "refsource": "MISC",
                "name": "http://xenbits.xen.org/xsa/advisory-367.html"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210305 Xen Security Advisory 367 v2 (CVE-2021-28038) - Linux: netback fails to honor grant mapping errors",
                "url": "http://www.openwall.com/lists/oss-security/2021/03/05/1"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210409-0001/",
                "url": "https://security.netapp.com/advisory/ntap-20210409-0001/"
            }
        ]
    }
}