CVE-2018-20509
Published: 30 April 2019
The print_binder_ref_olocked function in drivers/android/binder.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading " ref *desc *node" lines in a debugfs file.
Notes
Author | Note |
---|---|
tyhicks |
debugfs is only accessible by the root user in Ubuntu The patch that is listed as the fix for this issue quietly fixes the info leak while being focused on improving locking. Only the info leak is referenced by this CVE. |
Priority
Status
Package | Release | Status |
---|---|---|
linux
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-10.11)
|
cosmic |
Not vulnerable
(4.15.0-20.21)
|
|
disco |
Not vulnerable
(4.18.0-10.11)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(CONFIG_ANDROID_BINDER_IPC not enabled)
|
|
Patches:
Introduced by
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
|
||
linux-aws
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1001.1)
|
cosmic |
Not vulnerable
(4.15.0-1007.7)
|
|
disco |
Not vulnerable
(4.18.0-1002.3)
|
|
trusty |
Ignored
(was needed ESM criteria)
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(CONFIG_ANDROID_BINDER_IPC not enabled)
|
|
linux-aws-hwe
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(4.15.0-1030.31~16.04.1)
|
|
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)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Released
(4.15.0-1013.13~16.04.2)
|
|
linux-azure-edge
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Released
(4.15.0-1013.13~16.04.2)
|
|
linux-euclid
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Ignored
(end of life, was needs-triage)
|
|
linux-flo
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Ignored
(abandoned)
|
|
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)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Released
(4.15.0-1014.14~16.04.1)
|
|
linux-gcp-edge
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.18.0-1004.5~18.04.1)
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-gke
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-goldfish
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Ignored
(end of life)
|
|
linux-grouper
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
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
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Released
(4.15.0-24.26~16.04.1)
|
|
linux-kvm
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1002.2)
|
cosmic |
Not vulnerable
(4.15.0-1008.8)
|
|
disco |
Not vulnerable
(4.18.0-1003.3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(CONFIG_ANDROID_BINDER_IPC not enabled)
|
|
linux-lts-trusty
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-utopic
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-vivid
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-wily
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-maguro
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Does not exist
|
|
linux-mako
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Ignored
(abandoned)
|
|
linux-manta
Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
cosmic |
Does not exist
|
|
disco |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
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)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
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)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(4.15.0-1007.9~16.04.1)
|
|
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)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(CONFIG_ANDROID_BINDER_IPC not enabled)
|
|
linux-snapdragon
Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1053.57)
|
cosmic |
Does not exist
|
|
disco |
Not vulnerable
(5.0.0-1010.10)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.14~rc1)
|
|
xenial |
Not vulnerable
(CONFIG_ANDROID_BINDER_IPC not enabled)
|
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |