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vuln-cve/data/2026/45xxx/CVE-2026-45834.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45834",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.077Z",
"datePublished": "2026-05-26T16:14:11.198Z",
"dateUpdated": "2026-11-06T15:42:58.047Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-06-14T17:45:52.350Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb()."
}
],
"affected": [
{
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/bluetooth/l2cap_sock.c"
],
"versions": [
{
"version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
"lessThan": "1b1c0da227bf63479bac9982fc8d12df9aaea0fb",
"status": "affected",
"versionType": "git"
},
{
"version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
"lessThan": "85426e97dc72f2088ba6d27e74cd58c3fbd43e31",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "0c17c8832562b2aac288e89cefd0f46074f54bcb",
"status": "affected",
"versionType": "git"
},
{
"version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
"lessThan": "5105f3e6b2df619c635b5f6a49fac131a36c7952",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "c88c185ae0a1067823661b220aeea613df2c127b",
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},
{
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"lessThan": "1810e42ff6716f320c7269d5850eca48b07b7427",
"status": "affected",
"versionType": "git"
},
{
"version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
"lessThan": "a2dcf1a61d056aef15b63c6eae9441344d624389",
"status": "affected",
"versionType": "git"
},
{
"version": "89bc500e41fc5b48e0573e6b0d927fc97b8951dc",
"lessThan": "2ff1a41a912de8517b4482e946dd951b7d80edbf",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/bluetooth/l2cap_sock.c"
],
"versions": [
{
"version": "3.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.1",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.258",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.209",
"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": "6.12.88",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.30",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0.7",
"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": "3.1",
"versionEndExcluding": "5.10.258"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1",
"versionEndExcluding": "5.15.209"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.1.175"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1",
"versionEndExcluding": "6.6.140"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.12.88"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1",
"versionEndExcluding": "6.18.30"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1",
"versionEndExcluding": "7.0.7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.1",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb"
},
{
"url": "https://git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31"
},
{
"url": "https://git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb"
},
{
"url": "https://git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952"
},
{
"url": "https://git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b"
},
{
"url": "https://git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427"
},
{
"url": "https://git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389"
},
{
"url": "https://git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf"
}
],
"title": "Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-10-15T01:19:36.750Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-45834",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:41:22.318306Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:42:58.047Z"
}
}
]
}
}