{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98476",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.351Z",
        "datePublished": "2026-10-18T15:15:45.100Z",
        "dateUpdated": "2026-10-19T09:20:13.920Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:20:13.920Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()\n\nThe channel path registry entry associated with a CHPID may be removed\nwhile the subchannel's PMCW still references that CHPID. In this case,\nchpid_to_chp() can return NULL, leading to a NULL pointer dereference.\n\nAdd the missing NULL check before dereferencing the returned pointer."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/s390/cio/device_ops.c"
                    ],
                    "versions": [
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "9d8b21820caed9128945fffcedf03e2a4c21eee2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "5fc54e04dad90b15d0430118b3f288a1d64e66c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "27e396a89f76f742abdbe9f8c4a58a6e806fdf59",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "dbf30e661ceb9a52c94c85719716391dcc29142a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "5e006ac90a4d331db1dd712b91fec849b45ffc01",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "c3bbcb32deecc06ebb1762398399b566d5ff2fc9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "44b16b02608058fc72198ac0205969f0f43065df",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "199652309a4d6635fca19d7528d73ab9e219bd9a",
                            "lessThan": "5b76268dac968612f7283d59b539036de955b7d9",
                            "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/s390/cio/device_ops.c"
                    ],
                    "versions": [
                        {
                            "version": "4.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "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": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "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": "4.18",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.18",
                                    "versionEndExcluding": "5.15.222"
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                                {
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                                    "versionStartIncluding": "4.18",
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                                {
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                                    "versionStartIncluding": "4.18",
                                    "versionEndExcluding": "7.3"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9d8b21820caed9128945fffcedf03e2a4c21eee2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dbf30e661ceb9a52c94c85719716391dcc29142a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c3bbcb32deecc06ebb1762398399b566d5ff2fc9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9"
                }
            ],
            "title": "s390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()",
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}