{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93103",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.085Z",
        "datePublished": "2026-09-17T16:11:15.105Z",
        "dateUpdated": "2026-10-19T09:05:36.156Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:05:36.156Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hfi1: Preserve unit 0 on allocation failure\n\nhfi1_free_devdata() assumes that the device was inserted into the unit\ntable and unconditionally erases dd->unit. If xa_alloc_irq() fails, the\nzero-initialized unit remains zero, so full cleanup can remove an\nunrelated device from index 0.\n\nRelease only the rdmavt allocation and return immediately while the unit\ntable has not acquired the device."
                }
            ],
            "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/init.c"
                    ],
                    "versions": [
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "852637d3ee56aed8ea3ee8948eda21eca406c051",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "3d0e5252b8d0345ef494763ca31e3ddd666e02cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "0feb29d434e6cc0ebefec4f77be014c85ad751b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "3f1e196eb66b8cd3882e373794d6cea46f150a20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "4ff9d58d34758e9633078b37e8d5289b513ff80e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "fd4d3ad5f244a867166d1e2da7ece3d82878ec81",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "4204f5c0312ba136181a6e148ffa0bfaf95a4cc1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "03b92789e5cfdac66805c1a98f1ec67336199d56",
                            "lessThan": "2e3809ad8911f5d5581b3f046bd628417bface76",
                            "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/infiniband/hw/hfi1/init.c"
                    ],
                    "versions": [
                        {
                            "version": "5.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "5.2",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.2",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76"
                }
            ],
            "title": "RDMA/hfi1: Preserve unit 0 on allocation failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}