{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "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": "2026-05-11T13:56:57.041Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T13:56:57.041Z"
            },
            "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": "0366f7e06a6bee7eace3946a6b67fb88b828bc5c",
                            "lessThan": "a92f0eebb8dc008b9e8c51c6f7b8c93b27a29a43",
                            "status": "affected",
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                            "lessThan": "b270bfe697367776eca2e6759a71d700fb8d82a2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
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                    "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"
                    ],
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                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
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                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.6",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.15.6"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
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                    "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",
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                            "content": {
                                "timestamp": "2024-06-10T18:51:23.012354Z",
                                "id": "CVE-2021-47558",
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                                        "Exploitation": "none"
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                    "dateUpdated": "2024-08-04T05:39:59.721Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
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