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vuln-cve/data/2026/80xxx/CVE-2026-80990.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-80990",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-08-26T14:34:25.811Z",
"datePublished": "2026-09-11T19:42:47.534Z",
"dateUpdated": "2026-10-30T12:31:36.465Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:31:36.465Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: thunderbolt: Release the Rx HopID that was handed out on mismatch\n\ntb_xdomain_alloc_in_hopid() passes the wanted HopID to ida_alloc_range()\nas the lower bound, so a taken id is not an error there: the allocator\nreturns the next free one above it. tbnet_connected_work() asks for the\npeer's transmit path, treats any other id as a failure and returns\nwithout releasing what it got, so that allocation stays live for the rest\nof the XDomain connection with nothing left holding a reference to it.\n\nRelease the id when it is not the one we asked for, the same way the\nerror unwind at the end of the function releases the expected one."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/thunderbolt/main.c"
],
"versions": [
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "b098f01638a142afbb1e00b323e2fc40f237907a",
"status": "affected",
"versionType": "git"
},
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "47981eb66461ba4e74bbaea0f139adaaeb3991e9",
"status": "affected",
"versionType": "git"
},
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0",
"status": "affected",
"versionType": "git"
},
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea",
"status": "affected",
"versionType": "git"
},
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1",
"status": "affected",
"versionType": "git"
},
{
"version": "180b0689425c6fb2b35e69a3316ee38371a782df",
"lessThan": "2f1463554d0561a2fead81e3888604e5c1125e29",
"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/net/thunderbolt/main.c"
],
"versions": [
{
"version": "5.13",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.13",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.157",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.109",
"lessThanOrEqual": "6.12.*",
"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": "5.13",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.6.157"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.12.109"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.18.50"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "7.2.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/b098f01638a142afbb1e00b323e2fc40f237907a"
},
{
"url": "https://git.kernel.org/stable/c/47981eb66461ba4e74bbaea0f139adaaeb3991e9"
},
{
"url": "https://git.kernel.org/stable/c/9eac1817bfc5fa76e3a2d1b8fd824cc6ef5a9ab0"
},
{
"url": "https://git.kernel.org/stable/c/61ff3c353e5d2ff4eb9d0b6d8d9e47805b136eea"
},
{
"url": "https://git.kernel.org/stable/c/1c361f6cf39be7cc0ce37c0b67bd1cdf74b0a0c1"
},
{
"url": "https://git.kernel.org/stable/c/2f1463554d0561a2fead81e3888604e5c1125e29"
}
],
"title": "net: thunderbolt: Release the Rx HopID that was handed out on mismatch",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}