Candidate: CVE-2009-0778 PublicDate: 2009-03-12 15:20:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0778 Description: The icmp_send function in net/ipv4/icmp.c in the Linux kernel before 2.6.25, when configured as a router with a REJECT route, does not properly manage the Protocol Independent Destination Cache (aka DST) in some situations involving transmission of an ICMP Host Unreachable message, which allows remote attackers to cause a denial of service (connectivity outage) by sending a large series of packets to many destination IP addresses within this REJECT route, related to an "rt_cache leak." Ubuntu-Description: Notes: smb> The commit which (according to the commit message) introduced the problem was in v2.6.25-rc1, the fix in v2.6.25-rc8. So Dapper and Hardy are not affected. Bugs: Priority: medium Discovered-by: Assigned-to: CVSS: Patches_linux-source-2.6.15: upstream_linux-source-2.6.15: needs-triage dapper_linux-source-2.6.15: not-affected gutsy_linux-source-2.6.15: DNE hardy_linux-source-2.6.15: DNE intrepid_linux-source-2.6.15: DNE jaunty_linux-source-2.6.15: DNE devel_linux-source-2.6.15: DNE Patches_linux-source-2.6.22: upstream_linux-source-2.6.22: needs-triage dapper_linux-source-2.6.22: DNE gutsy_linux-source-2.6.22: needed (reached end-of-life) hardy_linux-source-2.6.22: DNE intrepid_linux-source-2.6.22: DNE jaunty_linux-source-2.6.22: DNE devel_linux-source-2.6.22: DNE Patches_linux: upstream_linux: needs-triage dapper_linux: DNE gutsy_linux: DNE hardy_linux: not-affected intrepid_linux: not-affected (2.6.27) jaunty_linux: not-affected (2.6.28) devel_linux: not-affected (2.6.28)