CVE-2007-6282

The IPsec implementation in Linux kernel before 2.6.25 allows remote routers to cause a denial of service (crash) via a fragmented ESP packet in which the first fragment does not contain the entire ESP header and IV.

CVE-2008-1615

Linux kernel 2.6.18, and possibly other versions, when running on AMD64 architectures, allows local users to cause a denial of service (crash) via certain ptrace calls.