CVE-2012-6638

Published: 15 February 2014

The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets, a different vulnerability than CVE-2012-2663.

From the Ubuntu security team

Denys Fedoryshchenko discovered a flaw in the Linux kernel's TCP receive processing for IPv4. A remote attacker could exploit this flaw to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by fdf5af0daf8019cec2396cdef8fb042d80fe71fa
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-ec2
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-mvl-dove
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (3.3~rc1)