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CVE-2014-2673

Published: 1 April 2014

The arch_dup_task_struct function in the Transactional Memory (TM) implementation in arch/powerpc/kernel/process.c in the Linux kernel before 3.13.7 on the powerpc platform does not properly interact with the clone and fork system calls, which allows local users to cause a denial of service (Program Check and system crash) via certain instructions that are executed with the processor in the Transactional state.

From the Ubuntu security team

Adhemerval Zanella Neto discovered a flaw the in the Transactional Memory (TM) implementation for powerpc based machine. An unprivileged local user could exploit this flaw to cause a denial of service (system crash).

Notes

AuthorNote
jdstrand
android kernels (goldfish, grouper, maguro, mako and manta) are not
supported on the Ubuntu Touch 13.10 preview kernels
Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
Patches:
Introduced by

fb09692e71f13af7298eb603a1975850b1c7a8d8

Fixed by 621b5060e823301d0cba4cb52a7ee3491922d291
linux-2.6
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-armadaxp
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-ec2
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-flo
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-gke
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-goldfish
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-grouper
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-hwe
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-hwe-edge
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-linaro-omap
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-linaro-shared
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-quantal
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-raring
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-saucy
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-trusty
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-utopic
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-vivid
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-wily
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-lts-xenial
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-maguro
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-mako
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-manta
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-mvl-dove
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-qcm-msm
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-raspi2
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-snapdragon
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)
linux-ti-omap4
Launchpad, Ubuntu, Debian
upstream
Released (3.14~rc6)