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vuln-cve/data/2026/98xxx/CVE-2026-98476.json
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{
"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"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "6.1.189"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "6.12.112"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "6.18.55"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "7.2.9"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.18",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"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()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}