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=========================================================== Ubuntu Security Notice USN-250-1 February 13, 2006 linux-source-2.6.12 vulnerability CVE-2006-0454 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 (Breezy Badger) The following packages are affected: linux-image-2.6.12-10-386 linux-image-2.6.12-10-686 linux-image-2.6.12-10-686-smp linux-image-2.6.12-10-amd64-generic linux-image-2.6.12-10-amd64-k8 linux-image-2.6.12-10-amd64-k8-smp linux-image-2.6.12-10-amd64-xeon linux-image-2.6.12-10-iseries-smp linux-image-2.6.12-10-itanium linux-image-2.6.12-10-itanium-smp linux-image-2.6.12-10-k7 linux-image-2.6.12-10-k7-smp linux-image-2.6.12-10-mckinley linux-image-2.6.12-10-mckinley-smp linux-image-2.6.12-10-powerpc linux-image-2.6.12-10-powerpc-smp linux-image-2.6.12-10-powerpc64-smp linux-patch-ubuntu-2.6.12 The problem can be corrected by upgrading the affected package to version 2.6.12-10.28. You have to restart your computer after a standard system upgrade to effect the necessary changes. Details follow: Herbert Xu discovered a remote Denial of Service vulnerability in the ICMP packet handler. In some situations a memory allocation was released twice, which led to memory corruption. A remote attacker could exploit this to crash the machine.