Race condition in ebtables netfilter module (ebtables.c) in Linux 2.6, when running on an SMP system that is operating under a heavy load, might allow remote attackers to cause a denial of service (crash) via a series of packets that cause a value to be modified after it has been read but before it has been locked.
Exploitability
AV:NAC:HAu:NImpact
C:NI:NA:P2.6/AV:N/AC:H/Au:N/C:N/I:N/A:P