{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2022-33745",
        "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "assignerShortName": "XEN",
        "dateUpdated": "2024-08-03T08:09:22.681Z",
        "dateReserved": "2022-06-15T00:00:00",
        "datePublished": "2022-07-26T00:00:00"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
                "shortName": "XEN",
                "dateUpdated": "2022-11-07T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / value between old and new code positions. The now wrong use of the variable did lead to a wrong TLB flush condition, omitting flushes where such are necessary."
                }
            ],
            "affected": [
                {
                    "vendor": "Xen",
                    "product": "xen",
                    "versions": [
                        {
                            "version": "consult Xen advisory XSA-408",
                            "status": "unknown"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://xenbits.xenproject.org/xsa/advisory-408.txt"
                },
                {
                    "url": "http://xenbits.xen.org/xsa/advisory-408.html"
                },
                {
                    "name": "[oss-security] 20220726 Xen Security Advisory 408 v2 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/07/26/2"
                },
                {
                    "name": "[oss-security] 20220726 Xen Security Advisory 408 v3 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/07/26/3"
                },
                {
                    "name": "FEDORA-2022-4f7cd241e2",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HUFIMNGYP5VQAA6KE3T2I5GW6UP6F7BS/"
                },
                {
                    "name": "FEDORA-2022-a0d7a5eaf2",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANNPEUUID6FM/"
                },
                {
                    "name": "DSA-5272",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://www.debian.org/security/2022/dsa-5272"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Charles Arnold of SUSE.'}]}}}"
                }
            ],
            "metrics": [
                {
                    "other": {
                        "type": "unknown",
                        "content": {
                            "description": {
                                "description_data": [
                                    {
                                        "lang": "eng",
                                        "value": "The known (observed) impact would be a Denial of Service (DoS) affecting\nthe entire host, due to running out of memory.  Privilege escalation and\ninformation leaks cannot be ruled out."
                                    }
                                ]
                            }
                        }
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "unknown"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T08:09:22.681Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://xenbits.xenproject.org/xsa/advisory-408.txt",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "http://xenbits.xen.org/xsa/advisory-408.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[oss-security] 20220726 Xen Security Advisory 408 v2 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2022/07/26/2"
                    },
                    {
                        "name": "[oss-security] 20220726 Xen Security Advisory 408 v3 (CVE-2022-33745) - insufficient TLB flush for x86 PV guests in shadow mode",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2022/07/26/3"
                    },
                    {
                        "name": "FEDORA-2022-4f7cd241e2",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HUFIMNGYP5VQAA6KE3T2I5GW6UP6F7BS/"
                    },
                    {
                        "name": "FEDORA-2022-a0d7a5eaf2",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANNPEUUID6FM/"
                    },
                    {
                        "name": "DSA-5272",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://www.debian.org/security/2022/dsa-5272"
                    }
                ]
            }
        ]
    }
}