CVE-2026-43251
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: HID: prodikeys: Check presence of pm->input_ep82 Fake USB devices can send their own report descriptors for which the input_mapping() hook does not get called. In this case, pm->input_ep82 stays NULL, which leads to a crash later. This does not happen with the real device, but can be provoked by imposing as one.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-05-06 12:16:45.740000
Last modified
2026-11-06 16:18:29.397000
View original CVE JSON
{
"id": "CVE-2026-43251",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-05-06T12:16:45.740",
"lastModified": "2026-11-06T16:18:29.397",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: prodikeys: Check presence of pm->input_ep82\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called. In this case, pm->input_ep82 stays\nNULL, which leads to a crash later.\n\nThis does not happen with the real device, but can be provoked by imposing as\none."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/hid/hid-prodikeys.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "f580c79683356632f12f2c2029f2fe936d953aa1",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "ee572578f09f0e743e9383393a75c3a7a0f9b4c2",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "edccbf7d6dc05d692bde3a89de5a4001f72a0fa4",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "3f1b21cc67a15d7d081378a9b8747dd000a017b8",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "e7ac1cd823cd2e9fcbd5cb0b261d6d35dbb79341",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "d5512ce892f774d37c53082adadfcad04f21b50e",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "d08f35f843881ec504d7537a9bb728a073db3366",
"versionType": "git",
"status": "affected"
},
{
"version": "3a370ca1dcf8c80aff7a0a21d6b0f50ca2a151e9",
"lessThan": "cee8337e1bad168136aecfe6416ecd7d3aa7529a",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/hid/hid-prodikeys.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "2.6.35",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.35",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.252",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.202",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.165",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.128",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.75",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18.16",
"lessThanOrEqual": "6.18.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.19.6",
"lessThanOrEqual": "6.19.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.0",
"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": "2026-11-06T15:31:24.352090Z",
"id": "CVE-2026-43251",
"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": "2.6.35",
"versionEndExcluding": "5.10.252",
"matchCriteriaId": "D6E3A666-FDAF-4C4C-AFEE-803E15871F9A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.11",
"versionEndExcluding": "5.15.202",
"matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
"versionEndExcluding": "6.1.165",
"matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.6.128",
"matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7",
"versionEndExcluding": "6.12.75",
"matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13",
"versionEndExcluding": "6.18.16",
"matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19",
"versionEndExcluding": "6.19.6",
"matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/3f1b21cc67a15d7d081378a9b8747dd000a017b8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/cee8337e1bad168136aecfe6416ecd7d3aa7529a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/d08f35f843881ec504d7537a9bb728a073db3366",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/d5512ce892f774d37c53082adadfcad04f21b50e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/e7ac1cd823cd2e9fcbd5cb0b261d6d35dbb79341",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/edccbf7d6dc05d692bde3a89de5a4001f72a0fa4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/ee572578f09f0e743e9383393a75c3a7a0f9b4c2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/f580c79683356632f12f2c2029f2fe936d953aa1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
}
]
}