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USN-1661-1: Linux kernel vulnerability

11 December 2012

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

References

Related notices

  • USN-1664-1: linux-image-2.6.32-350-ec2, linux-ec2
  • USN-1660-1: linux-image-2.6.24-32-xen, linux-image-2.6.24-32-virtual, linux-image-2.6.24-32-sparc64-smp, linux, linux-image-2.6.24-32-lpia, linux-image-2.6.24-32-386, linux-image-2.6.24-32-powerpc, linux-image-2.6.24-32-mckinley, linux-image-2.6.24-32-powerpc-smp, linux-image-2.6.24-32-powerpc64-smp, linux-image-2.6.24-32-generic, linux-image-2.6.24-32-itanium, linux-image-2.6.24-32-server, linux-image-2.6.24-32-rt, linux-image-2.6.24-32-hppa32, linux-image-2.6.24-32-sparc64, linux-image-2.6.24-32-hppa64, linux-image-2.6.24-32-openvz, linux-image-2.6.24-32-lpiacompat