{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74491",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.906Z",
        "datePublished": "2026-08-15T12:27:20.759Z",
        "dateUpdated": "2026-08-17T05:20:26.733Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:20:26.733Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof/address: Fix NULL bus dereference in of_pci_range_parser_one()\n\nThe bus matching rework made of_match_bus() return NULL for nodes with\nranges/dma-ranges but no local #address-cells. parser_init() stored that\nNULL bus, and the range iterator later dereferenced it.\n\nReject such nodes in parser_init(), leaving an explicit empty\niterator for callers that ignore the init return, and make\nof_dma_get_max_cpu_address() honour the init failure so a rejected node\ncannot clamp the DMA limit."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/of/address.c"
                    ],
                    "versions": [
                        {
                            "version": "64ee3cf096ac590e7da2ceac1c390546bff5e240",
                            "lessThan": "88752b811f72aa7a16de6dad4b25031d7308673e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64ee3cf096ac590e7da2ceac1c390546bff5e240",
                            "lessThan": "eddd0159a8761a16a9d183676b03cf493417816e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64ee3cf096ac590e7da2ceac1c390546bff5e240",
                            "lessThan": "bba13ad17b1a11b3f1ed9b3a5d556191d7755a59",
                            "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/of/address.c"
                    ],
                    "versions": [
                        {
                            "version": "6.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.13",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/88752b811f72aa7a16de6dad4b25031d7308673e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eddd0159a8761a16a9d183676b03cf493417816e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bba13ad17b1a11b3f1ed9b3a5d556191d7755a59"
                }
            ],
            "title": "of/address: Fix NULL bus dereference in of_pci_range_parser_one()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}