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vuln-cve/data/2023/0xxx/CVE-2023-0461.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2023-0461",
"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
"state": "PUBLISHED",
"assignerShortName": "Google",
"dateReserved": "2023-01-24T09:47:24.966Z",
"datePublished": "2023-02-28T14:23:02.224Z",
"dateUpdated": "2025-02-13T16:38:58.993Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "kernel",
"product": "Linux Kernel",
"repo": "https://git.kernel.org",
"vendor": "Linux",
"versions": [
{
"lessThan": "2c02d41d71f90a5168391b6a5f2954112ba2307c",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "slipper"
}
],
"datePublic": "2023-01-02T23:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag <code>CONFIG_TLS</code>&nbsp;or <code>CONFIG_XFRM_ESPINTCP</code>&nbsp;has to be configured, but the operation does not require any privilege.</p><p>There is a use-after-free bug of <code>icsk_ulp_data</code>&nbsp;of a <code>struct inet_connection_sock</code>.</p><p>When <code>CONFIG_TLS</code>&nbsp;is enabled, user can install a tls context (<code>struct tls_context</code>) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable.</p><p>The <code>setsockopt</code>&nbsp;<code>TCP_ULP</code>&nbsp;operation does not require any privilege.</p>We recommend upgrading past commit&nbsp;2c02d41d71f90a5168391b6a5f2954112ba2307c"
}
],
"value": "There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.\n\nThere is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.\n\nWhen CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable.\n\nThe setsockopt TCP_ULP operation does not require any privilege.\n\nWe recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c"
}
],
"impacts": [
{
"capecId": "CAPEC-233",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-233 Privilege Escalation"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
"shortName": "Google",
"dateUpdated": "2023-05-03T13:06:48.668Z"
},
"references": [
{
"url": "https://kernel.dance/#2c02d41d71f90a5168391b6a5f2954112ba2307c"
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c02d41d71f90a5168391b6a5f2954112ba2307c"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Use-after-free vulnerability in the Linux Kernel",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "https://security.netapp.com/advisory/ntap-20230331-0006/"
},
{
"url": "https://kernel.dance/#2c02d41d71f90a5168391b6a5f2954112ba2307c",
"tags": [
"x_transferred"
]
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c02d41d71f90a5168391b6a5f2954112ba2307c",
"tags": [
"x_transferred"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html",
"tags": [
"x_transferred"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html",
"tags": [
"x_transferred"
]
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-02T05:10:56.165Z"
}
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2024-08-01T15:55:09.289052Z",
"id": "CVE-2023-0461",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-08-01T15:55:22.180Z"
}
}
]
}
}
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