CVE-2008-3525
HighSummary
Funkcja sbni_ioctl w pliku drivers/net/wan/sbni.c w jądrze Linux 2.6.26.3 nie sprawdza uprawnienia CAP_NET_ADMIN przed przetworzeniem określonych żądań ioctl, co pozwala lokalnym użytkownikom na obejście zamierzonych ograniczeń uprawnień.
Risk Assessment
Lokalni użytkownicy mogą uzyskać dostęp do funkcji, które powinny być zastrzeżone dla administratorów, co może prowadzić do nieautoryzowanych działań w systemie.
Recommendation
Zaleca się aktualizację jądra Linux do wersji, która zawiera poprawki zabezpieczeń, aby zapewnić odpowiednie sprawdzanie uprawnień dla funkcji ioctl.
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Original NVD description (English source)
The sbni_ioctl function in drivers/net/wan/sbni.c in the wan subsystem in the Linux kernel 2.6.26.3 does not check for the CAP_NET_ADMIN capability before processing a (1) SIOCDEVRESINSTATS, (2) SIOCDEVSHWSTATE, (3) SIOCDEVENSLAVE, or (4) SIOCDEVEMANSIPATE ioctl request, which allows local users to bypass intended capability restrictions.