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vuln-cve/data/2026/80xxx/CVE-2026-80571.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-80571",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-08-26T14:34:25.768Z",
"datePublished": "2026-08-26T14:37:32.541Z",
"dateUpdated": "2026-08-26T14:37:32.541Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-26T14:37:32.541Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak\n\nIn papr_phy_attest_create_handle(), the params->cmd.length is not\nvalidated before use, which can result in a buffer overlow. Check it and\nreturn -EINVAL if it is either 0 or exceeds sizeof(params->cmd).\n\nAlso, params is freed on the success path but not error. Free it on\nerrors after memory allocation. And free it on negative fd."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/powerpc/platforms/pseries/papr-phy-attest.c"
],
"versions": [
{
"version": "86900ab620a42396a749b506d4a187820fc3fabe",
"lessThan": "828a8d1a9107aec6353d896882df8383accf7e80",
"status": "affected",
"versionType": "git"
},
{
"version": "86900ab620a42396a749b506d4a187820fc3fabe",
"lessThan": "ed98ce338f9a65c90cb930b088f1eb36de7181af",
"status": "affected",
"versionType": "git"
},
{
"version": "86900ab620a42396a749b506d4a187820fc3fabe",
"lessThan": "5b17f3f34391372faf03e79d947e0c50ab6dd258",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/powerpc/platforms/pseries/papr-phy-attest.c"
],
"versions": [
{
"version": "6.16",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.16",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.46",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1.10",
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2",
"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": "6.16",
"versionEndExcluding": "6.18.46"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.16",
"versionEndExcluding": "7.1.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.16",
"versionEndExcluding": "7.2"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/828a8d1a9107aec6353d896882df8383accf7e80"
},
{
"url": "https://git.kernel.org/stable/c/ed98ce338f9a65c90cb930b088f1eb36de7181af"
},
{
"url": "https://git.kernel.org/stable/c/5b17f3f34391372faf03e79d947e0c50ab6dd258"
}
],
"title": "powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}