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CVE-2018-5953

Published: 7 August 2018

The swiotlb_print_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" printk call.

From the Ubuntu Security Team

It was discovered that the software IO TLB implementation in the Linux kernel could report kernel pointers via dmesg. An attacker could use this to expose sensitive information or in conjunction with another kernel vulnerability.

Priority

Negligible

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
linux-flo
Launchpad, Ubuntu, Debian
focal Does not exist

hirsute Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

groovy Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Ignored
(abandoned)
linux-oem-5.6
Launchpad, Ubuntu, Debian
groovy Does not exist

bionic Does not exist

eoan Does not exist

focal Not vulnerable
(5.6.0-1007.7)
hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Ignored
(end of life)
linux-aws-hwe
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Not vulnerable
(4.15.0-1030.31~16.04.1)
linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

trusty Does not exist

xenial Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-23.24~20.04.1)
upstream
Released (4.15~rc2)
linux-gke-5.4
Launchpad, Ubuntu, Debian
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

xenial Does not exist

bionic Not vulnerable
(5.4.0-1025.25~18.04.1)
upstream
Released (4.15~rc2)
linux-gkeop-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

bionic Not vulnerable
(5.4.0-1001.1)
upstream
Released (4.15~rc2)
linux-dell300x
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1005.8)
upstream
Released (4.15~rc2)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

xenial Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
focal Not vulnerable
(5.4.0-1008.9)
upstream
Released (4.15~rc2)
bionic Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

xenial Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
upstream
Released (4.15~rc2)
bionic Not vulnerable
(5.4.0-1020.20~18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

xenial Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
upstream
Released (4.15~rc2)
bionic Not vulnerable
(5.4.0-37.41~18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

xenial Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1013.13~18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux
Launchpad, Ubuntu, Debian
xenial Ignored
(end of life, was pending)
bionic Not vulnerable
(4.15.0-10.11)
cosmic Not vulnerable
(4.15.0-20.21)
disco Not vulnerable
(4.18.0-10.11)
eoan Not vulnerable
(5.0.0-13.14)
focal Not vulnerable
(5.4.0-9.12)
groovy Not vulnerable
(5.4.0-26.30)
hirsute Not vulnerable
(5.8.0-36.40+21.04.1)
trusty Ignored
(was needed ESM criteria)
upstream
Released (4.15~rc2)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by ad67b74d2469d9b82aaa572d76474c95bc484d57|7d63fb3af87aa67aa7d24466e792f9d7c57d8e79
linux-aws
Launchpad, Ubuntu, Debian
xenial Ignored
(end of life, was needed)
bionic Not vulnerable
(4.15.0-1001.1)
cosmic Not vulnerable
(4.15.0-1007.7)
disco Not vulnerable
(4.18.0-1002.3)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1005.5)
groovy Not vulnerable
(5.4.0-1009.9)
hirsute Not vulnerable
(5.8.0-1018.20+21.04.1)
trusty Ignored
(was needed ESM criteria)
upstream
Released (4.15~rc2)
linux-kvm
Launchpad, Ubuntu, Debian
xenial Ignored
(end of life, was needed)
bionic Not vulnerable
(4.15.0-1002.2)
cosmic Not vulnerable
(4.15.0-1008.8)
disco Not vulnerable
(4.18.0-1003.3)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1004.4)
groovy Not vulnerable
(5.4.0-1009.9)
hirsute Not vulnerable
(5.8.0-1010.11+21.04.1)
trusty Does not exist

upstream
Released (4.15~rc2)
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

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1016.17~18.04.1)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1018.18~18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
cosmic Not vulnerable
(4.15.0-1009.9)
disco Not vulnerable
(4.18.0-1003.3)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1006.6)
groovy Not vulnerable
(5.4.0-1010.10)
hirsute Not vulnerable
(5.8.0-1016.17+21.04.1)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.15~rc2)
xenial
Released (4.15.0-1013.13~16.04.2)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1082.92)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Ignored
(was needed ESM criteria)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
cosmic Not vulnerable
(4.15.0-1006.6)
disco Not vulnerable
(4.18.0-1002.3)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1005.5)
groovy Not vulnerable
(5.4.0-1009.9)
hirsute Not vulnerable
(5.8.0-1015.15+21.04.1)
trusty Does not exist

upstream
Released (4.15~rc2)
xenial
Released (4.15.0-1014.14~16.04.1)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1071.81)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.2)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Not vulnerable
(5.4.0-1033.35)
groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Ignored
(end of standard support)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1030.32)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1011.11~18.04.1)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1011.12~18.04.1)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-13.14~18.04.1)
cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial
Released (4.15.0-24.26~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-15.16~18.04.1)
cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial
Released (4.15.0-24.26~16.04.1)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Ignored
(end of life, was ignored)
upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Ignored
(end of life, was ignored)
upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Ignored
(end of life, was ignored)
upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Ignored
(was needed ESM criteria)
upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Does not exist

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc2)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.3)
cosmic Not vulnerable
(4.15.0-1004.5)
disco Not vulnerable
(4.15.0-1021.24)
eoan Not vulnerable
(4.15.0-1035.40)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Ignored
(end of standard support, was needed)
linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.10.0-1008.9)
groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1010.11)
disco Not vulnerable
(5.0.0-1010.11)
eoan Not vulnerable
(5.0.0-1010.11)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1007.9)
cosmic Not vulnerable
(4.15.0-1007.9)
disco Not vulnerable
(4.15.0-1007.9)
eoan Not vulnerable
(4.15.0-1011.13)
focal Not vulnerable
(5.4.0-1005.5)
groovy Not vulnerable
(5.4.0-1009.9)
hirsute Not vulnerable
(5.8.0-1014.14+21.04.1)
trusty Does not exist

upstream
Released (4.15~rc2)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
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

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1011.12~18.04.1)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(5.4.0-1007.7)
groovy Not vulnerable
(5.4.0-1008.8)
hirsute Not vulnerable
(5.8.0-1008.11+21.04.1)
trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1006.7)
cosmic Not vulnerable
(4.15.0-1010.11)
disco Not vulnerable
(4.18.0-1005.7)
eoan Not vulnerable
(5.0.0-1006.6)
focal Not vulnerable
(5.4.0-1004.4)
groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Ignored
(end of standard support, was needed)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1017.19~18.04.1)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(5.4.0-24.28)
groovy Not vulnerable
(5.4.0-24.28)
hirsute Not vulnerable
(5.8.0-10.12+21.04.1)
trusty Does not exist

upstream
Released (4.15~rc2)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1053.57)
cosmic Does not exist

disco Not vulnerable
(5.0.0-1010.10)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

trusty Does not exist

upstream
Released (4.15~rc2)
xenial Ignored
(end of standard support, was needed)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N