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CVE-2009-3621

Published: 22 October 2009

net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
linux-source-2.6.15
Launchpad, Ubuntu, Debian
upstream Needs triage

dapper
Released (2.6.15-55.81)
hardy Does not exist

intrepid Does not exist

jaunty Does not exist

karmic Does not exist

linux
Launchpad, Ubuntu, Debian
upstream Needs triage

dapper Does not exist

hardy
Released (2.6.24-26.64)
intrepid
Released (2.6.27-16.44)
jaunty
Released (2.6.28-17.58)
karmic
Released (2.6.31-16.52)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H