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vuln-cve/data/2026/98xxx/CVE-2026-98172.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98172",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.322Z",
"datePublished": "2026-10-06T08:44:16.721Z",
"dateUpdated": "2026-10-30T12:37:51.075Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:37:51.075Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix smbd_connection leak on cifs_get_tcp_session() error\n\nWhen an RDMA connection is successfully established via\nsmbd_get_connection() but cifs_get_tcp_session() later fails (e.g.\nkthread_create() returns an error), the error path frees tcp_ses\nwithout first destroying the smbd_connection.\n\nFix this by calling smbd_destroy() in the out_err cleanup path before\nkfree(tcp_ses). smbd_destroy() safely handles the case where\nsmbd_conn is NULL, so it can be called unconditionally."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/smb/client/connect.c"
],
"versions": [
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "c295f6505aec085d73e8dcea9f648c8af1b9da8c",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "45a97df1b7fe6c1ca5493f8fb5284203991aeeb9",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "3164402c58940ff58a3cecdb026405f07b0253af",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "e3344bb0ff5ec8a276f42239e140f5442841ef23",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "5c908e49d349266dff0c86dda6a05df0ff19b824",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "928edc4bd6a617caabeb575fc13c254d9df623c4",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "b26a3fcf2f1c2cadba400290b639f01395db8fc8",
"status": "affected",
"versionType": "git"
},
{
"version": "2f8946464b11822169b9f10c7cf58a2440b51d54",
"lessThan": "e75c96157d45e498970158c8f7373d90102e33b9",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/smb/client/connect.c"
],
"versions": [
{
"version": "4.16",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.16",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.273",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.224",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.189",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.158",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.112",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.54",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.8",
"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": "4.16",
"versionEndExcluding": "5.10.273"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "5.15.224"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.1.189"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.12.112"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "6.18.54"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "7.2.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.16",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c295f6505aec085d73e8dcea9f648c8af1b9da8c"
},
{
"url": "https://git.kernel.org/stable/c/45a97df1b7fe6c1ca5493f8fb5284203991aeeb9"
},
{
"url": "https://git.kernel.org/stable/c/3164402c58940ff58a3cecdb026405f07b0253af"
},
{
"url": "https://git.kernel.org/stable/c/e3344bb0ff5ec8a276f42239e140f5442841ef23"
},
{
"url": "https://git.kernel.org/stable/c/5c908e49d349266dff0c86dda6a05df0ff19b824"
},
{
"url": "https://git.kernel.org/stable/c/928edc4bd6a617caabeb575fc13c254d9df623c4"
},
{
"url": "https://git.kernel.org/stable/c/b26a3fcf2f1c2cadba400290b639f01395db8fc8"
},
{
"url": "https://git.kernel.org/stable/c/e75c96157d45e498970158c8f7373d90102e33b9"
}
],
"title": "smb: client: fix smbd_connection leak on cifs_get_tcp_session() error",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}