{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49931",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.254Z",
        "datePublished": "2025-05-01T14:11:08.135Z",
        "dateUpdated": "2026-05-23T15:23:16.586Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:16.586Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Correctly move list in sc_disable()\n\nCommit 13bac861952a (\"IB/hfi1: Fix abba locking issue with sc_disable()\")\nincorrectly tries to move a list from one list head to another.  The\nresult is a kernel crash.\n\nThe crash is triggered when a link goes down and there are waiters for a\nsend to complete.  The following signature is seen:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000030\n  [...]\n  Call Trace:\n   sc_disable+0x1ba/0x240 [hfi1]\n   pio_freeze+0x3d/0x60 [hfi1]\n   handle_freeze+0x27/0x1b0 [hfi1]\n   process_one_work+0x1b0/0x380\n   ? process_one_work+0x380/0x380\n   worker_thread+0x30/0x360\n   ? process_one_work+0x380/0x380\n   kthread+0xd7/0x100\n   ? kthread_complete_and_exit+0x20/0x20\n   ret_from_fork+0x1f/0x30\n\nThe fix is to use the correct call to move the list."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/hfi1/pio.c"
                    ],
                    "versions": [
                        {
                            "version": "d997d4e4365f7e59cf6b59c70f966c56d704b64f",
                            "lessThan": "25760a41e3802f54aadcc31385543665ab349b8e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d98883f6c33e0d960afedcecaa92fc2b61fec383",
                            "lessThan": "7c4260f8f188df32414a5ecad63e8b934c2aa3f0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "13bac861952a78664907a0f927d3e874e9a59034",
                            "lessThan": "ba95409d6b580501ff6d78efd00064f7df669926",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "13bac861952a78664907a0f927d3e874e9a59034",
                            "lessThan": "b8bcff99b07cc175a6ee12a52db51cdd2229586c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "13bac861952a78664907a0f927d3e874e9a59034",
                            "lessThan": "1afac08b39d85437187bb2a92d89a741b1078f55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d33bd6b4d4d035e42733592899918a18f2540da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.157",
                            "lessThan": "5.4.224",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.77",
                            "lessThan": "5.10.154",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.14.16",
                            "lessThan": "5.15",
                            "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/infiniband/hw/hfi1/pio.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.224",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.154",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.78",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.8",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.4.157",
                                    "versionEndExcluding": "5.4.224"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.77",
                                    "versionEndExcluding": "5.10.154"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "5.15.78"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.0.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14.16"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55"
                }
            ],
            "title": "IB/hfi1: Correctly move list in sc_disable()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-476",
                                "lang": "en",
                                "description": "CWE-476 NULL Pointer Dereference"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-10-01T14:55:37.542549Z",
                                "id": "CVE-2022-49931",
                                "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": "2025-10-01T14:55:40.268Z"
                }
            }
        ]
    }
}