{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89977",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.779Z",
        "datePublished": "2026-09-16T10:32:55.212Z",
        "dateUpdated": "2026-10-19T08:55:52.061Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:55:52.061Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/accel/ethosu/ethosu_drv.c"
                    ],
                    "versions": [
                        {
                            "version": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
                            "lessThan": "f7aad73b481194e3f0efba9688e9a5914bbd036b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
                            "lessThan": "7ab64476a610fe65858fdc37c7a30caa13e334ac",
                            "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/accel/ethosu/ethosu_drv.c"
                    ],
                    "versions": [
                        {
                            "version": "6.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "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": "6.19",
                                    "versionEndExcluding": "7.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.19",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac"
                }
            ],
            "title": "accel/ethosu: check MMIO mapping errors in probe",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}