{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98893",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.378Z",
        "datePublished": "2026-10-23T11:37:54.017Z",
        "dateUpdated": "2026-10-26T06:56:19.302Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-26T06:56:19.302Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Validate SENSOR_UPDATE payload size\n\nSENSOR_UPDATE carries one or more sensor readings after the fixed\nnotification header. The parser derives the expected reading count\nfrom the sensor description, but it did not verify that the received\npayload contains those entries before parsing them.\n\nReject truncated update notifications before reading the variable\narray."
                }
            ],
            "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/sensors.c"
                    ],
                    "versions": [
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "e543d60f966a5f5c92298720c2fd1810f85a6be3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "87a72e75f7560ea45cd28870194eaa153dd19e75",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "1bbe431fc59704d012660647516f6f94ddd82564",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "c148ff2f5a168e0bc41d801efca6ee35a376cfcb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "767789a58ae0d65ec3028e5b5b4da82210355d00",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e3811190acf85c63518fbddaa28bcbfab2baa58d",
                            "lessThan": "32bc5496b48174dbca1f187f710955ee4d9527a1",
                            "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/sensors.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "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": "5.11",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e543d60f966a5f5c92298720c2fd1810f85a6be3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/87a72e75f7560ea45cd28870194eaa153dd19e75"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1bbe431fc59704d012660647516f6f94ddd82564"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c148ff2f5a168e0bc41d801efca6ee35a376cfcb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/767789a58ae0d65ec3028e5b5b4da82210355d00"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32bc5496b48174dbca1f187f710955ee4d9527a1"
                }
            ],
            "title": "firmware: arm_scmi: Validate SENSOR_UPDATE payload size",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}