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vuln-cve/data/2026/98xxx/CVE-2026-98363.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98363",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.344Z",
"datePublished": "2026-10-06T08:46:49.235Z",
"dateUpdated": "2026-10-19T09:18:15.202Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T09:18:15.202Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS\n\nscpi_dvfs_get_info() already rejected a zero opp_count, but still trusted\nany larger value from the SCP firmware. The shared-memory reply only holds\nMAX_DVFS_OPPS entries in buf.opps[]; a bigger count over-reads that array\nand then sizes the allocated OPP table incorrectly (garbage OPPs / OOB).\nThe missing upper bound dates back to the original SCPI DVFS support.\n\nReject zero and out-of-range counts in one check and return -EINVAL."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/firmware/arm_scpi.c"
],
"versions": [
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "e9887eeaa138c6b5697af3d2f7c71dc82407b154",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "1aadbef648e92ca642125f188f99b0a26628e3ba",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "7daaa684097377b66b98a832de307688a7f3bbc7",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "f17865332cc4ceaac846bcd7c28badbaedfabeff",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "69ec03cd481973e4be44a7158ed6c0fa06a9a5f9",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "cc563a59aded6f3b02d75dcc3c0bc5e90755d99e",
"status": "affected",
"versionType": "git"
},
{
"version": "8cb7cf56c9fe5412de238465b27ef35b4d2801aa",
"lessThan": "32471d84a487c7fd74532bc96be56f8028cf4a3f",
"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_scpi.c"
],
"versions": [
{
"version": "4.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.4",
"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": "6.18.54",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.8",
"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": "4.4",
"versionEndExcluding": "5.10.271"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "5.15.222"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "6.1.189"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "6.12.112"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "6.18.54"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "7.2.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/e9887eeaa138c6b5697af3d2f7c71dc82407b154"
},
{
"url": "https://git.kernel.org/stable/c/1aadbef648e92ca642125f188f99b0a26628e3ba"
},
{
"url": "https://git.kernel.org/stable/c/7daaa684097377b66b98a832de307688a7f3bbc7"
},
{
"url": "https://git.kernel.org/stable/c/f17865332cc4ceaac846bcd7c28badbaedfabeff"
},
{
"url": "https://git.kernel.org/stable/c/0130f9ad3974a5b2ad0fa03d0b300a9fb83ed901"
},
{
"url": "https://git.kernel.org/stable/c/69ec03cd481973e4be44a7158ed6c0fa06a9a5f9"
},
{
"url": "https://git.kernel.org/stable/c/cc563a59aded6f3b02d75dcc3c0bc5e90755d99e"
},
{
"url": "https://git.kernel.org/stable/c/32471d84a487c7fd74532bc96be56f8028cf4a3f"
}
],
"title": "firmware: arm_scpi: reject DVFS OPP count above MAX_DVFS_OPPS",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}