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A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash table and trigger a routing "emergency" in which a hash chain is too long. NOTE: this is related to an issue in the Linux kernel before 2.6.31 when the kernel routing cache is disabled involving an uninitialized pointer and a panic.

oval:org.mitre.oval:def:11167

A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash table and trigger a routing "emergency" in which a hash chain is too long. NOTE: this is related to an issue in the Linux kernel before 2.6.31 when the kernel routing cache is disabled involving an uninitialized pointer and a panic.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Red Hat Enterprise Linux 5
  • Oracle Linux 5
  • CentOS Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-4272
Product(s):