Files
vuln-cve/data/2026/81xxx/CVE-2026-81018.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-81018",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-08-26T14:34:25.813Z",
"datePublished": "2026-09-11T19:43:06.080Z",
"dateUpdated": "2026-10-19T08:46:43.567Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T08:46:43.567Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Free system certificate signatures\n\nMulti-certificate support also allows the system authentication object\nto store ->signature and ->save_signature, which leak when the driver is\nremoved. Free the signatures to avoid leaking memory."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/platform/x86/lenovo/think-lmi.c"
],
"versions": [
{
"version": "5dcb5ef125907d09806509a9db8c6705041e0026",
"lessThan": "9c28adde051fe76a7754856d0a414ab89adcaa4d",
"status": "affected",
"versionType": "git"
},
{
"version": "5dcb5ef125907d09806509a9db8c6705041e0026",
"lessThan": "abbcc0354108cf47a6055b951182bf73520d0363",
"status": "affected",
"versionType": "git"
},
{
"version": "5dcb5ef125907d09806509a9db8c6705041e0026",
"lessThan": "abca989604f60fe29d7170431f819e28ec7d868a",
"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/platform/x86/lenovo/think-lmi.c"
],
"versions": [
{
"version": "6.13",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.13",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.50",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.4",
"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": "6.13",
"versionEndExcluding": "6.18.50"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13",
"versionEndExcluding": "7.2.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/9c28adde051fe76a7754856d0a414ab89adcaa4d"
},
{
"url": "https://git.kernel.org/stable/c/abbcc0354108cf47a6055b951182bf73520d0363"
},
{
"url": "https://git.kernel.org/stable/c/abca989604f60fe29d7170431f819e28ec7d868a"
}
],
"title": "platform/x86: think-lmi: Free system certificate signatures",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}