CVE-2023-6546

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This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting the gsm mux. This could allow a local unprivileged user to escalate their privileges on the system."}, {"lang": "es", "value": "Se encontr\u00f3 una condici\u00f3n de ejecuci\u00f3n en el multiplexor tty GSM 0710 en el kernel de Linux. Este problema ocurre cuando dos subprocesos ejecutan GSMIOC_SETCONF ioctl en el mismo descriptor de archivo tty con la disciplina de l\u00ednea gsm habilitada y puede provocar un problema de use after free en una estructura gsm_dlci al reiniciar gsm mux. Esto podr\u00eda permitir que un usuario local sin privilegios aumente sus privilegios en el sistema."}], "lastModified": "2024-07-23T22:15:05.040", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98C491C7-598A-4D36-BA4F-3505A5727ED1", "versionEndExcluding": "6.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B3E6E4D-E24E-4630-B00C-8C9901C597B0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4A01A71-0F09-4DB2-A02F-7EFFBE27C98D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5608371-157A-4318-8A2E-4104C3467EA1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2226A776-DF8C-49E0-A030-0A7853BB018A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F15C659-DF06-455A-9765-0E6DE920F29A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B1C14ED-ABC4-41D3-8D9C-D38C6A65B4DE"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}