{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47558",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-24T15:02:54.834Z",
        "datePublished": "2024-05-24T15:09:59.315Z",
        "dateUpdated": "2024-08-04T05:39:59.721Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:10:03.151Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: stmmac: Disable Tx queues when reconfiguring the interface\n\nThe Tx queues were not disabled in situations where the driver needed to\nstop the interface to apply a new configuration. This could result in a\nkernel panic when doing any of the 3 following actions:\n* reconfiguring the number of queues (ethtool -L)\n* reconfiguring the size of the ring buffers (ethtool -G)\n* installing/removing an XDP program (ip l set dev ethX xdp)\n\nPrevent the panic by making sure netif_tx_disable is called when stopping\nan interface.\n\nWithout this patch, the following kernel panic can be observed when doing\nany of the actions above:\n\nUnable to handle kernel paging request at virtual address ffff80001238d040\n[....]\n Call trace:\n  dwmac4_set_addr+0x8/0x10\n  dev_hard_start_xmit+0xe4/0x1ac\n  sch_direct_xmit+0xe8/0x39c\n  __dev_queue_xmit+0x3ec/0xaf0\n  dev_queue_xmit+0x14/0x20\n[...]\n[ end trace 0000000000000002 ]---"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/stmicro/stmmac/stmmac_main.c"
                    ],
                    "versions": [
                        {
                            "version": "0366f7e06a6b",
                            "lessThan": "a92f0eebb8dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0366f7e06a6b",
                            "lessThan": "b270bfe69736",
                            "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/stmicro/stmmac/stmmac_main.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.6",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a92f0eebb8dc008b9e8c51c6f7b8c93b27a29a43"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b270bfe697367776eca2e6759a71d700fb8d82a2"
                }
            ],
            "title": "net: stmmac: Disable Tx queues when reconfiguring the interface",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-10T18:51:23.012354Z",
                                "id": "CVE-2021-47558",
                                "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": "2024-06-10T18:51:31.116Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:59.721Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/a92f0eebb8dc008b9e8c51c6f7b8c93b27a29a43",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/b270bfe697367776eca2e6759a71d700fb8d82a2",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}