CVE-2011-1763
HighSummary
Funkcja get_free_port w Xen umożliwia lokalnym, uwierzytelnionym użytkownikom DomU spowodowanie odmowy usługi lub potencjalne uzyskanie uprawnień poprzez nieokreślone wektory związane z nowym portem kanału zdarzeń.
Risk Assessment
Organizacja może być narażona na ataki, które prowadzą do odmowy usługi lub eskalacji uprawnień, co może wpłynąć na integralność i dostępność systemów.
Recommendation
Zaleca się monitorowanie i ograniczenie dostępu do funkcji get_free_port oraz regularne aktualizowanie systemu Xen w celu załatania tej podatności.
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Original NVD description (English source)
The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port.