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vuln-cve/data/2026/46xxx/CVE-2026-46168.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
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"cveId": "CVE-2026-46168",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.102Z",
"datePublished": "2026-05-28T09:36:23.394Z",
"dateUpdated": "2026-11-06T16:13:42.818Z"
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic."
}
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{
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"versionType": "semver"
},
{
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"status": "unaffected",
"versionType": "semver"
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{
"version": "7.1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
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"references": [
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"url": "https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d"
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"url": "https://git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654"
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"url": "https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b"
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"url": "https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc"
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{
"url": "https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892"
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"title": "mptcp: fix scheduling with atomic in timestamp sockopt",
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"content": {
"id": "CVE-2026-46168",
"role": "CISA Coordinator",
"options": [
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"Exploitation": "none"
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{
"Automatable": "no"
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{
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}
],
"version": "2.0.3",
"timestamp": "2026-11-06T16:10:55.460934Z"
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