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vuln-cve/data/2023/53xxx/CVE-2023-53356.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53356",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-09-16T16:08:59.567Z",
"datePublished": "2025-09-17T14:56:46.113Z",
"dateUpdated": "2026-05-11T19:43:21.819Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:43:21.819Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: u_serial: Add null pointer check in gserial_suspend\n\nConsider a case where gserial_disconnect has already cleared\ngser->ioport. And if gserial_suspend gets called afterwards,\nit will lead to accessing of gser->ioport and thus causing\nnull pointer dereference.\n\nAvoid this by adding a null pointer check. Added a static\nspinlock to prevent gser->ioport from becoming null after\nthe newly added null pointer check."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/usb/gadget/function/u_serial.c"
],
"versions": [
{
"version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
"lessThan": "2788a3553f7497075653210b42e2aeb6ba95e28e",
"status": "affected",
"versionType": "git"
},
{
"version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
"lessThan": "a8ea7ed644cbf6314b5b0136b5398754b549fb8f",
"status": "affected",
"versionType": "git"
},
{
"version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
"lessThan": "e60a827ac074ce6bd58305fe5a86afab5fce6a04",
"status": "affected",
"versionType": "git"
},
{
"version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
"lessThan": "374447e3367767156405bedd230c5d391f4b7962",
"status": "affected",
"versionType": "git"
},
{
"version": "aba3a8d01d623a5efef48ab8e78752d58d4c90c3",
"lessThan": "2f6ecb89fe8feb2b60a53325b0eeb9866d88909a",
"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/usb/gadget/function/u_serial.c"
],
"versions": [
{
"version": "5.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.188",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.121",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.39",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4.4",
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.5",
"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": "5.8",
"versionEndExcluding": "5.10.188"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "5.15.121"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.1.39"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.4.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.8",
"versionEndExcluding": "6.5"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/2788a3553f7497075653210b42e2aeb6ba95e28e"
},
{
"url": "https://git.kernel.org/stable/c/a8ea7ed644cbf6314b5b0136b5398754b549fb8f"
},
{
"url": "https://git.kernel.org/stable/c/e60a827ac074ce6bd58305fe5a86afab5fce6a04"
},
{
"url": "https://git.kernel.org/stable/c/374447e3367767156405bedd230c5d391f4b7962"
},
{
"url": "https://git.kernel.org/stable/c/2f6ecb89fe8feb2b60a53325b0eeb9866d88909a"
}
],
"title": "usb: gadget: u_serial: Add null pointer check in gserial_suspend",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-53356",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-01-14T18:42:52.369730Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-01-14T18:43:04.391Z"
}
}
]
}
}