{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93104",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.085Z",
        "datePublished": "2026-09-17T16:11:15.760Z",
        "dateUpdated": "2026-10-21T12:51:54.286Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:51:54.286Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rvt: Return NULL after port allocation failure\n\nrvt_alloc_device() deallocates the IB device when its port array cannot\nbe allocated but then returns the pointer to the released allocation.\nCallers treat any non-NULL value as valid and dereference it, resulting\nin a use-after-free.\n\nReturn NULL immediately after deallocation so callers can propagate the\nallocation failure."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/sw/rdmavt/vt.c"
                    ],
                    "versions": [
                        {
                            "version": "ff6acd69518e0a84bd9c9b7f1bd4313f7076db97",
                            "lessThan": "b7129930d1ec46c03a0de07fdce6c29f75795006",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff6acd69518e0a84bd9c9b7f1bd4313f7076db97",
                            "lessThan": "5a1a7a5e2fe1a15824fa9ae5edd8f008259471d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff6acd69518e0a84bd9c9b7f1bd4313f7076db97",
                            "lessThan": "80968b42d13080bf7bc1f3ee17fef126ce2ad98f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff6acd69518e0a84bd9c9b7f1bd4313f7076db97",
                            "lessThan": "b1e1b25723af44328524c7b54433e4bf0ab9930c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff6acd69518e0a84bd9c9b7f1bd4313f7076db97",
                            "lessThan": "2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f",
                            "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/sw/rdmavt/vt.c"
                    ],
                    "versions": [
                        {
                            "version": "4.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "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": "4.6",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.12.114"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b7129930d1ec46c03a0de07fdce6c29f75795006"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5a1a7a5e2fe1a15824fa9ae5edd8f008259471d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/80968b42d13080bf7bc1f3ee17fef126ce2ad98f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b1e1b25723af44328524c7b54433e4bf0ab9930c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f"
                }
            ],
            "title": "RDMA/rvt: Return NULL after port allocation failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}