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vuln-cve/data/2023/4xxx/CVE-2023-4194.json
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{
"dataType": "CVE_RECORD",
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"cveId": "CVE-2023-4194",
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"state": "PUBLISHED",
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"dateReserved": "2023-08-06T15:05:48.734Z",
"datePublished": "2023-08-07T13:19:44.215Z",
"dateUpdated": "2026-11-07T11:31:57.188Z"
},
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"title": "Kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid",
"metrics": [
{
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"availabilityImpact": "NONE",
"baseScore": 5.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
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"value": "A flaw was found in the Linux kernel's TUN/TAP functionality. This issue could allow a local user to bypass network filters and gain unauthorized access to some resources. The original patches fixing CVE-2023-1076 are incorrect or incomplete. The problem is that the following upstream commits - a096ccca6e50 (\"tun: tun_chr_open(): correctly initialize socket uid\"), - 66b2c338adce (\"tap: tap_open(): correctly initialize socket uid\"), pass \"inode->i_uid\" to sock_init_data_uid() as the last parameter and that turns out to not be accurate."
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"credits": [
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