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vuln-cve/data/2026/46xxx/CVE-2026-46103.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-46103",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.097Z",
"datePublished": "2026-05-27T12:59:11.533Z",
"dateUpdated": "2026-11-06T16:13:38.230Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-06-19T11:59:29.306Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ucan: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the control message buffer lifetime so that it is released on driver\nunbind."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/can/usb/ucan.c"
],
"versions": [
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "a90f0815aaa9c629ac4750e7c71c357dd7f231d7",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "cb2e41e87a2893345859440017e7178bf7a4c70d",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "3df5b9110ac08f67ccfe382fc172bfee95688eec",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "10b7b676b78a7bd888d19729b459aad7fc1f428b",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "c524c124e3094d2de12235a513854c03d06a2b58",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae",
"status": "affected",
"versionType": "git"
},
{
"version": "9f2d3eae88d26c29d96e42983b755940d9169cd9",
"lessThan": "fed4626501c871890da287bec62a96e52da1af89",
"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/can/usb/ucan.c"
],
"versions": [
{
"version": "4.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.259",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.210",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.175",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.140",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.86",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.27",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0.4",
"lessThanOrEqual": "7.0.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1",
"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": "4.19",
"versionEndExcluding": "5.10.259"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "5.15.210"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "6.1.175"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "6.6.140"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "6.12.86"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "6.18.27"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "7.0.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.19",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a90f0815aaa9c629ac4750e7c71c357dd7f231d7"
},
{
"url": "https://git.kernel.org/stable/c/cb2e41e87a2893345859440017e7178bf7a4c70d"
},
{
"url": "https://git.kernel.org/stable/c/3df5b9110ac08f67ccfe382fc172bfee95688eec"
},
{
"url": "https://git.kernel.org/stable/c/4b7d07747400cfd7eff1ba7b8b5a7c8d5a58f705"
},
{
"url": "https://git.kernel.org/stable/c/10b7b676b78a7bd888d19729b459aad7fc1f428b"
},
{
"url": "https://git.kernel.org/stable/c/c524c124e3094d2de12235a513854c03d06a2b58"
},
{
"url": "https://git.kernel.org/stable/c/c0d3ccc6929e4509076df8f30a4fb1dc5018b0ae"
},
{
"url": "https://git.kernel.org/stable/c/fed4626501c871890da287bec62a96e52da1af89"
}
],
"title": "can: ucan: fix devres lifetime",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-46103",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T16:08:47.862518Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T16:13:38.230Z"
}
}
]
}
}