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CVE-2017-6001

Published: 18 February 2017

Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786.

From the Ubuntu security team

Di Shen discovered that a race condition existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service or possibly gain administrative privileges.

Priority

Medium

CVSS 3 base score: 7.0

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
Patches:
Introduced by f63a8daa5812afef4f06c962351687e1ff9ccb2b
Fixed by 321027c1fe77f892f4ea07846aeae08cefbbb290
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-azure
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-euclid
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-gcp
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-kvm
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-oem
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.10~rc4)

Notes

AuthorNote
jdstrand
android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support

References