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vuln-cve/data/2023/53xxx/CVE-2023-53173.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53173",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-09-15T13:59:19.064Z",
"datePublished": "2025-09-15T14:04:07.411Z",
"dateUpdated": "2026-05-11T19:39:41.016Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:39:41.016Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: pcn_uart: fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time. To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic\nat once."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/tty/serial/pch_uart.c"
],
"versions": [
{
"version": "4dec5f1af694526db760dfbb47211236e556e27c",
"lessThan": "cf042964c2fa72950bbbf25b2cdd732b873e89db",
"status": "affected",
"versionType": "git"
},
{
"version": "4dec5f1af694526db760dfbb47211236e556e27c",
"lessThan": "4459d1e7bd0421b3b6fcd745773d8823f71615ef",
"status": "affected",
"versionType": "git"
},
{
"version": "4dec5f1af694526db760dfbb47211236e556e27c",
"lessThan": "139769c4bd8273b5e3f85ea474aa37018fe7e436",
"status": "affected",
"versionType": "git"
},
{
"version": "4dec5f1af694526db760dfbb47211236e556e27c",
"lessThan": "04a189c720aa2b6091442113ce9b9bc93552dff8",
"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/tty/serial/pch_uart.c"
],
"versions": [
{
"version": "5.13",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.13",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.100",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.18",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.2.5",
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3",
"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": "5.15.100"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.1.18"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.2.5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.13",
"versionEndExcluding": "6.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/cf042964c2fa72950bbbf25b2cdd732b873e89db"
},
{
"url": "https://git.kernel.org/stable/c/4459d1e7bd0421b3b6fcd745773d8823f71615ef"
},
{
"url": "https://git.kernel.org/stable/c/139769c4bd8273b5e3f85ea474aa37018fe7e436"
},
{
"url": "https://git.kernel.org/stable/c/04a189c720aa2b6091442113ce9b9bc93552dff8"
}
],
"title": "tty: pcn_uart: fix memory leak with using debugfs_lookup()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}