{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47305",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T13:27:52.133Z",
        "datePublished": "2024-05-21T14:35:25.345Z",
        "dateUpdated": "2024-08-04T05:32:08.577Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:05:38.712Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf/sync_file: Don't leak fences on merge failure\n\nEach add_fence() call does a dma_fence_get() on the relevant fence.  In\nthe error path, we weren't calling dma_fence_put() so all those fences\ngot leaked.  Also, in the krealloc_array failure case, we weren't\nfreeing the fences array.  Instead, ensure that i and fences are always\nzero-initialized and dma_fence_put() all the fences and kfree(fences) on\nevery error path."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma-buf/sync_file.c"
                    ],
                    "versions": [
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "19f51c252933",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "e0355a0ad31a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "41f45e91c92c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "0d514185ae79",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "19edcd97727a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a02b9dc90d84",
                            "lessThan": "ffe000217c50",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma-buf/sync_file.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.14.241",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.19.199",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.4.135",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.53",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.13.5",
                            "lessThanOrEqual": "5.13.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.14",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/19f51c2529339280d2c8c6427cd3e21ddf1ac3f8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e0355a0ad31a1d677b2a4514206de4902bd550e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/41f45e91c92c8480242ea448d54e28c753b13902"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0d514185ae792d3a1903c8e1a83899aa996705ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/19edcd97727aae9362444a859a24d99a8730cb27"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ffe000217c5068c5da07ccb1c0f8cce7ad767435"
                }
            ],
            "title": "dma-buf/sync_file: Don't leak fences on merge failure",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-17T17:37:39.251165Z",
                                "id": "CVE-2021-47305",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-17T17:39:09.946Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:32:08.577Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/19f51c2529339280d2c8c6427cd3e21ddf1ac3f8",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/e0355a0ad31a1d677b2a4514206de4902bd550e8",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/41f45e91c92c8480242ea448d54e28c753b13902",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/0d514185ae792d3a1903c8e1a83899aa996705ce",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/19edcd97727aae9362444a859a24d99a8730cb27",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/ffe000217c5068c5da07ccb1c0f8cce7ad767435",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}