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nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.

oval:org.mitre.oval:def:10457

nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • CentOS Linux 5
  • Oracle Linux 5
  • Red Hat Enterprise Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2007-1497
Product(s):