{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-15852",
        "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 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tss_invalidate_io_bitmap mishandling causes a loss of synchronization between the I/O bitmaps of TSS and Xen, aka CID-cadfad870154."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "http://xenbits.xen.org/xsa/advisory-329.html",
                "refsource": "MISC",
                "name": "http://xenbits.xen.org/xsa/advisory-329.html"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/cadfad870154e14f745ec845708bc17d166065f2",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/cadfad870154e14f745ec845708bc17d166065f2"
            },
            {
                "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cadfad870154e14f745ec845708bc17d166065f2",
                "refsource": "MISC",
                "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cadfad870154e14f745ec845708bc17d166065f2"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20200721 Xen Security Advisory 329 v3 (CVE-2020-15852) - Linux ioperm bitmap context switching issues",
                "url": "http://www.openwall.com/lists/oss-security/2020/07/21/2"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20200810-0001/",
                "url": "https://security.netapp.com/advisory/ntap-20200810-0001/"
            }
        ]
    }
}