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CVE-2019-13648

Published: 19 July 2019

In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.

From the Ubuntu security team

Praveen Pandey discovered that the Linux kernel did not properly validate sent signals in some situations on PowerPC systems with transactional memory disabled. A local attacker could use this to cause a denial of service.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-60.67)
disco
Released (5.0.0-27.28)
eoan Not vulnerable
(5.2.0-10.11)
precise Ignored
(was needs-triage ESM criteria)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.3~rc2)
xenial
Released (4.4.0-161.189)
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1021.24~18.04.1)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1007.8~18.04.1)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-flo
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1008.9~18.04.1)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-goldfish
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-grouper
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-27.28~18.04.1)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial
Released (4.15.0-60.67~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was pending \[5.3.0-19.20~18.04.2\] now end-of-life)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial
Released (4.15.0-60.67~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Ignored
(was needs-triage ESM criteria)
trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (5.3~rc2)
xenial Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-mako
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-manta
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-oem-5.4
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic
Released (5.0.0-1020.22)
disco Ignored
(was pending \[5.0.0-1022.24\] now end-of-life)
eoan
Released (5.0.0-1022.24)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1007.12~18.04.1)
disco Does not exist

eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Not vulnerable
(powerpc only)
precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1017.19~18.04.1)
eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(powerpc only)
disco Not vulnerable
(powerpc only)
eoan Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (5.3~rc2)
xenial Not vulnerable
(powerpc only)