2 lines
9.9 KiB
JSON
2 lines
9.9 KiB
JSON
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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."},{"lang":"es","value":"Se ha encontrado un fallo en la funcionalidad TUN/TAP del kernel de Linux. Este problema podría permitir a un usuario local eludir los filtros de red y obtener acceso no autorizado a algunos recursos. Los parches originales que solucionan CVE-2023-1076 son incorrectos o incompletos. El problema es que los siguientes commits upstream - a096ccca6e50 (\"tun: tun_chr_open(): inicializar correctamente el uid del socket\"), - 66b2c338adce (\"tap: tap_open(): inicializar correctamente el uid del socket\"), pasan \"inode->i_uid\" a sock_init_data_uid() como último parámetro y resulta que no es correcto."}],"id":"CVE-2023-4194","lastModified":"2026-11-07T12:17:37.200","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"secalert@redhat.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-4194","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-06-03T16:14:49.416502Z","version":"2.0.3"}}]},"published":"2023-08-07T14:15:11.743","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2023:6583"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2023-4194"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2229498"},{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-1-lersek@redhat.com/"},{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-2-lersek@redhat.com/"},{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-3-lersek@redhat.com/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2023:6583"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2023-4194"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2229498"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/344H6HO6SSC4KT7PDFXSDIXKMKHISSGF/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TYLSJ2SAI7RF56ZLQ5CQWCJLVJSD73Q/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-1-lersek@redhat.com/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-2-lersek@redhat.com/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Vendor Advisory"],"url":"https://lore.kernel.org/all/20230731164237.48365-3-lersek@redhat.com/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://security.netapp.com/advisory/ntap-20231027-0002/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://www.debian.org/security/2023/dsa-5480"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://www.debian.org/security/2023/dsa-5492"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-843"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-843"},{"lang":"en","value":"CWE-863"}],"source":"nvd@nist.gov","type":"Secondary"}]}
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