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USN-1660-1: Linux kernel vulnerability

11 December 2012

The system's firewall could be bypassed by a remote attacker.

Releases

Packages

Details

Zhang Zuotao discovered a bug in the Linux kernel's handling of overlapping
fragments in ipv6. A remote attacker could exploit this flaw to bypass
firewalls and initial new network connections that should have been blocked
by the firewall.

References

Related notices

  • USN-1661-1: linux-image-2.6.32-45-ia64, linux-image-2.6.32-45-powerpc-smp, linux-image-2.6.32-45-preempt, linux-image-2.6.32-45-virtual, linux-image-2.6.32-45-sparc64-smp, linux-image-2.6.32-45-386, linux-image-2.6.32-45-lpia, linux-image-2.6.32-45-generic-pae, linux-image-2.6.32-45-powerpc64-smp, linux-image-2.6.32-45-server, linux-image-2.6.32-45-sparc64, linux-image-2.6.32-45-versatile, linux-image-2.6.32-45-generic, linux, linux-image-2.6.32-45-powerpc
  • USN-1664-1: linux-ec2, linux-image-2.6.32-350-ec2