CVE-2022-50276
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in power_supply_get_battery_info when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference. So return ENOMEM if kasprintf() return NULL pointer.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-15 15:15:38.583000
Last modified
2026-11-05 20:17:31.630000
View original CVE JSON
{
"id": "CVE-2022-50276",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-09-15T15:15:38.583",
"lastModified": "2026-11-05T20:17:31.630",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: fix null pointer dereferencing in power_supply_get_battery_info\n\nwhen kmalloc() fail to allocate memory in kasprintf(), propname\nwill be NULL, strcmp() called by of_get_property() will cause\nnull pointer dereference.\n\nSo return ENOMEM if kasprintf() return NULL pointer."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/power/supply/power_supply_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "8ea68b4e3fa9392ef9dae303abc8735a033c280f",
"versionType": "git",
"status": "affected"
},
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "5beadb55f4e36fafe5d6df5dcd5f85d803f3f134",
"versionType": "git",
"status": "affected"
},
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "d21534ab4fd7883e1c8037a76671d4e8b6ea14cb",
"versionType": "git",
"status": "affected"
},
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "279af90e65cbdb3e5c4519b0043324d7876bc5ec",
"versionType": "git",
"status": "affected"
},
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "b8131efb89d9f837c9244f900f0fc2699fd1181d",
"versionType": "git",
"status": "affected"
},
{
"version": "3afb50d7125bcdbf71df843134e96ceffc78c8b8",
"lessThan": "104bb8a663451404a26331263ce5b96c34504049",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/power/supply/power_supply_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "5.0",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.0",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.4.229",
"lessThanOrEqual": "5.4.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.163",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.86",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.0.16",
"lessThanOrEqual": "6.0.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.2",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.2",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T20:08:39.783053Z",
"id": "CVE-2022-50276",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.0",
"versionEndExcluding": "5.4.229",
"matchCriteriaId": "2A559735-D7FB-49EC-A608-46802CA50E6C"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "5.10.163",
"matchCriteriaId": "D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.11",
"versionEndExcluding": "5.15.86",
"matchCriteriaId": "47237296-55D1-4ED4-8075-D00FC85A61EE"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
"versionEndExcluding": "6.0.16",
"matchCriteriaId": "C720A569-3D93-4D77-95F6-E2B3A3267D9F"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.1.2",
"matchCriteriaId": "77239F4B-6BB2-4B9E-A654-36A52396116C"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/104bb8a663451404a26331263ce5b96c34504049",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/279af90e65cbdb3e5c4519b0043324d7876bc5ec",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/5beadb55f4e36fafe5d6df5dcd5f85d803f3f134",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/8ea68b4e3fa9392ef9dae303abc8735a033c280f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/b8131efb89d9f837c9244f900f0fc2699fd1181d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/d21534ab4fd7883e1c8037a76671d4e8b6ea14cb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
}
]
}