{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2021-46917",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-25T13:45:52.719Z",
        "datePublished": "2024-02-27T06:53:55.427Z",
        "dateUpdated": "2026-05-23T15:18:43.166Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:18:43.166Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix wq cleanup of WQCFG registers\n\nA pre-release silicon erratum workaround where wq reset does not clear\nWQCFG registers was leaked into upstream code. Use wq reset command\ninstead of blasting the MMIO region. This also address an issue where\nwe clobber registers in future devices."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/idxd/device.c",
                        "drivers/dma/idxd/idxd.h",
                        "drivers/dma/idxd/sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "da32b28c95a79e399e18c03f8178f41aec9c66e4",
                            "lessThan": "e5eb9757fe4c2392e069246ae78badc573af1833",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da32b28c95a79e399e18c03f8178f41aec9c66e4",
                            "lessThan": "f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da32b28c95a79e399e18c03f8178f41aec9c66e4",
                            "lessThan": "ea9aadc06a9f10ad20a90edc0a484f1147d88a7a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2a2df2bd10de44c3804661ed15157817c12d6291",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.7.10",
                            "lessThan": "5.8",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/idxd/device.c",
                        "drivers/dma/idxd/idxd.h",
                        "drivers/dma/idxd/sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "5.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.32",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.11.16",
                            "lessThanOrEqual": "5.11.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.12",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "5.10.32"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "5.11.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "5.12"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7.10"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a"
                }
            ],
            "title": "dmaengine: idxd: fix wq cleanup of WQCFG registers",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2021-46917",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-02-27T15:59:12.900977Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-07-05T17:22:00.658Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:17:43.010Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/e5eb9757fe4c2392e069246ae78badc573af1833",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/f7dc8f5619165e1fa3383d0c2519f502d9e2a1a9",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/ea9aadc06a9f10ad20a90edc0a484f1147d88a7a",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}