{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-71071",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:30:19.647Z",
        "datePublished": "2026-01-13T15:31:25.400Z",
        "dateUpdated": "2026-05-23T16:03:04.559Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:03:04.559Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: fix use-after-free on probe deferral\n\nThe driver is dropping the references taken to the larb devices during\nprobe after successful lookup as well as on errors. This can\npotentially lead to a use-after-free in case a larb device has not yet\nbeen bound to its driver so that the iommu driver probe defers.\n\nFix this by keeping the references as expected while the iommu driver is\nbound."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/iommu/mtk_iommu.c"
                    ],
                    "versions": [
                        {
                            "version": "8412e5dd24ffc8bc21a00bfaa0b80d4596cdc9da",
                            "lessThan": "896ec55da3b90bdb9fc04fedc17ad8c359b2eee5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26593928564cf5b576ff05d3cbd958f57c9534bb",
                            "lessThan": "5c04217d06a1161aaf36267e9d971ab6f847d5a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26593928564cf5b576ff05d3cbd958f57c9534bb",
                            "lessThan": "1ef70a0b104ae8011811f60bcfaa55ff49385171",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26593928564cf5b576ff05d3cbd958f57c9534bb",
                            "lessThan": "f6c08d3aa441bbc1956e9d65f1cbb89113a5aa8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26593928564cf5b576ff05d3cbd958f57c9534bb",
                            "lessThan": "de83d4617f9fe059623e97acf7e1e10d209625b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "51080de72e26771f0ed9d44982974279ccbc92b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.2",
                            "lessThan": "6.1.160",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThan": "6.1",
                            "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/iommu/mtk_iommu.c"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.160",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.120",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.64",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.3",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "6.1.2",
                                    "versionEndExcluding": "6.1.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.6.120"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.12.64"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0.16"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/896ec55da3b90bdb9fc04fedc17ad8c359b2eee5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5c04217d06a1161aaf36267e9d971ab6f847d5a7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1ef70a0b104ae8011811f60bcfaa55ff49385171"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f6c08d3aa441bbc1956e9d65f1cbb89113a5aa8a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/de83d4617f9fe059623e97acf7e1e10d209625b5"
                }
            ],
            "title": "iommu/mediatek: fix use-after-free on probe deferral",
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                "engine": "bippy-1.2.0"
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    }
}