{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93092",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.084Z",
        "datePublished": "2026-09-17T16:11:07.715Z",
        "dateUpdated": "2026-10-19T09:05:25.616Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:05:25.616Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unregister device notifier before IDR teardown\n\nThe requested-devices notifier looks up protocol fwnodes from the\nactive_protocols IDR. During remove, unregister the notifier before\nreleasing and destroying active_protocols so no notifier callback can race\nwith the IDR teardown.\n\nKeep the bus notifier registered until after the protocol state is torn\ndown, matching the existing remove ordering for SCMI bus users."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/firmware/arm_scmi/driver.c"
                    ],
                    "versions": [
                        {
                            "version": "53b8c25df7082edd78a3fc63e359abee0f28fa70",
                            "lessThan": "70a26b37389846f1f29a09f7983aa3f45feff529",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53b8c25df7082edd78a3fc63e359abee0f28fa70",
                            "lessThan": "492fb49eac24beecd6d3c5e4744a513e626f8dcf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53b8c25df7082edd78a3fc63e359abee0f28fa70",
                            "lessThan": "f5e528f631425416f9b39e9d8b385c9f1ceb40d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53b8c25df7082edd78a3fc63e359abee0f28fa70",
                            "lessThan": "74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "53b8c25df7082edd78a3fc63e359abee0f28fa70",
                            "lessThan": "66a0bbf30cc14140fe13f63cd594a7c1ee352b75",
                            "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/firmware/arm_scmi/driver.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "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": "6.3",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/70a26b37389846f1f29a09f7983aa3f45feff529"
                },
                {
                    "url": "https://git.kernel.org/stable/c/492fb49eac24beecd6d3c5e4744a513e626f8dcf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f5e528f631425416f9b39e9d8b385c9f1ceb40d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/66a0bbf30cc14140fe13f63cd594a7c1ee352b75"
                }
            ],
            "title": "firmware: arm_scmi: Unregister device notifier before IDR teardown",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}