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CVE-2017-15306

Published: 06 November 2017

The kvm_vm_ioctl_check_extension function in arch/powerpc/kvm/powerpc.c in the Linux kernel before 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a KVM_CHECK_EXTENSION KVM_CAP_PPC_HTM ioctl call to /dev/kvm.

From the Ubuntu security team

It was discovered that a null pointer dereference error existed in the PowerPC KVM implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
Patches:
Introduced by 23528bb21ee2c9b27f3feddd77a2a3351a8df148
Fixed by ac64115a66c18c01745bbd3c47a36b124e5fd8c0
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-azure
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-euclid
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-gcp
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-kvm
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-oem
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.14~rc7)