{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47438",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T14:58:30.831Z",
        "datePublished": "2024-05-22T06:19:33.537Z",
        "dateUpdated": "2024-08-04T05:39:59.306Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:07:56.119Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path\n\nPrior to this patch in case mlx5_core_destroy_cq() failed it returns\nwithout completing all destroy operations and that leads to memory leak.\nInstead, complete the destroy flow before return error.\n\nAlso move mlx5_debug_cq_remove() to the beginning of mlx5_core_destroy_cq()\nto be symmetrical with mlx5_core_create_cq().\n\nkmemleak complains on:\n\nunreferenced object 0xc000000038625100 (size 64):\n  comm \"ethtool\", pid 28301, jiffies 4298062946 (age 785.380s)\n  hex dump (first 32 bytes):\n    60 01 48 94 00 00 00 c0 b8 05 34 c3 00 00 00 c0  `.H.......4.....\n    02 00 00 00 00 00 00 00 00 db 7d c1 00 00 00 c0  ..........}.....\n  backtrace:\n    [<000000009e8643cb>] add_res_tree+0xd0/0x270 [mlx5_core]\n    [<00000000e7cb8e6c>] mlx5_debug_cq_add+0x5c/0xc0 [mlx5_core]\n    [<000000002a12918f>] mlx5_core_create_cq+0x1d0/0x2d0 [mlx5_core]\n    [<00000000cef0a696>] mlx5e_create_cq+0x210/0x3f0 [mlx5_core]\n    [<000000009c642c26>] mlx5e_open_cq+0xb4/0x130 [mlx5_core]\n    [<0000000058dfa578>] mlx5e_ptp_open+0x7f4/0xe10 [mlx5_core]\n    [<0000000081839561>] mlx5e_open_channels+0x9cc/0x13e0 [mlx5_core]\n    [<0000000009cf05d4>] mlx5e_switch_priv_channels+0xa4/0x230\n[mlx5_core]\n    [<0000000042bbedd8>] mlx5e_safe_switch_params+0x14c/0x300\n[mlx5_core]\n    [<0000000004bc9db8>] set_pflag_tx_port_ts+0x9c/0x160 [mlx5_core]\n    [<00000000a0553443>] mlx5e_set_priv_flags+0xd0/0x1b0 [mlx5_core]\n    [<00000000a8f3d84b>] ethnl_set_privflags+0x234/0x2d0\n    [<00000000fd27f27c>] genl_family_rcv_msg_doit+0x108/0x1d0\n    [<00000000f495e2bb>] genl_family_rcv_msg+0xe4/0x1f0\n    [<00000000646c5c2c>] genl_rcv_msg+0x78/0x120\n    [<00000000d53e384e>] netlink_rcv_skb+0x74/0x1a0"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/mellanox/mlx5/core/cq.c"
                    ],
                    "versions": [
                        {
                            "version": "e126ba97dba9",
                            "lessThan": "4f7bddf8c5c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e126ba97dba9",
                            "lessThan": "ed8aafea4fec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e126ba97dba9",
                            "lessThan": "94b960b9deff",
                            "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/net/ethernet/mellanox/mlx5/core/cq.c"
                    ],
                    "versions": [
                        {
                            "version": "3.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.11",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.75",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.14.14",
                            "lessThanOrEqual": "5.14.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4f7bddf8c5c01cac74373443b13a68e1c6723a94"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed8aafea4fec9c654e63445236e0b505e27ed3a7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/94b960b9deffc02fc0747afc01f72cc62ab099e3"
                }
            ],
            "title": "net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-17T18:03:33.416738Z",
                                "id": "CVE-2021-47438",
                                "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": "2024-06-17T18:04:18.552Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:59.306Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/4f7bddf8c5c01cac74373443b13a68e1c6723a94",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/ed8aafea4fec9c654e63445236e0b505e27ed3a7",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/94b960b9deffc02fc0747afc01f72cc62ab099e3",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}