{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98834",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.372Z",
        "datePublished": "2026-10-18T15:49:46.003Z",
        "dateUpdated": "2026-10-19T09:26:26.676Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:26:26.676Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: avoid double-free of OTP NVMEM device\n\nIf factory OTP setup fails after the user OTP NVMEM device has been\nregistered, mtd_otp_nvmem_add() unregisters the user device but leaves\nmtd->otp_user_nvmem set. On an error, the caller unregisters it again.\nFor -EOPNOTSUPP, registration continues and normal teardown unregisters\nit again.\n\nClear mtd->otp_user_nvmem after unregistering it."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mtd/mtdcore.c"
                    ],
                    "versions": [
                        {
                            "version": "e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9",
                            "lessThan": "cecf007418b93a2cbc94269e07fe2fb28f54d8fb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e0489f6e221f5ddee6cb3bd51b992b790c5fa4b9",
                            "lessThan": "26300879cd8e4612dce66bb8f6ff7cd35fcf3e59",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6d1af517817a760d7af3dee0fc4603645485495c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f1b4affca1e13706ca2eb075bf6775421236d7d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "949476b8601bde5459048eebdf457c9db20addd8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dd6c85f98ff33b009b819090268cbf679dc208b9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.111",
                            "lessThan": "5.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.28",
                            "lessThan": "6.2",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.15",
                            "lessThan": "6.3",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.2",
                            "lessThan": "6.4",
                            "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/mtd/mtdcore.c"
                    ],
                    "versions": [
                        {
                            "version": "6.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "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": "6.4",
                                    "versionEndExcluding": "7.2.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.4",
                                    "versionEndExcluding": "7.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.28"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cecf007418b93a2cbc94269e07fe2fb28f54d8fb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26300879cd8e4612dce66bb8f6ff7cd35fcf3e59"
                }
            ],
            "title": "mtd: core: avoid double-free of OTP NVMEM device",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}