CVE-2019-6133

EUVD-2019-15700
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
polkit_projectpolkit
0.115
debiandebian_linux
8.0
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_server_aus
7.6
redhatenterprise_linux_server_eus
7.6
redhatenterprise_linux_server_tus
7.6
redhatenterprise_linux_workstation
7.0
redhatenterprise_linux_desktop
6.0
redhatenterprise_linux_server
6.0
redhatenterprise_linux_server_aus
6.6
redhatenterprise_linux_workstation
6.0
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
18.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.6-1
fixed
stretch
no-dsa
trixie
6.11.5-1
fixed
policykit-1
bookworm
122-3
fixed
bullseye
0.105-31+deb11u1
fixed
bullseye (security)
0.105-31+deb11u1
fixed
sid
125-2
fixed
stretch
no-dsa
trixie
125-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
Fixed 4.15.0-46.49
released
cosmic
Fixed 4.18.0-16.17
released
disco
not-affected
trusty
Fixed 3.13.0-166.216
released
xenial
Fixed 4.4.0-143.169
released
linux-aws
bionic
Fixed 4.15.0-1033.35
released
cosmic
Fixed 4.18.0-1011.13
released
disco
not-affected
trusty
Fixed 4.4.0-1039.42
released
xenial
Fixed 4.4.0-1077.87
released
linux-aws-hwe
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
Fixed 4.15.0-1033.35~16.04.1
released
linux-azure
bionic
Fixed 4.18.0-1013.13~18.04.1
released
cosmic
Fixed 4.18.0-1013.13
released
disco
not-affected
trusty
Fixed 4.15.0-1040.44~14.04.1
released
xenial
Fixed 4.15.0-1040.44
released
linux-azure-edge
bionic
Fixed 4.18.0-1013.13~18.04.1
released
cosmic
dne
disco
dne
trusty
dne
xenial
Fixed 4.15.0-1040.44
released
linux-euclid
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
ignored
linux-flo
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
ignored
linux-gcp
bionic
Fixed 4.15.0-1028.29
released
cosmic
Fixed 4.18.0-1007.8
released
disco
not-affected
trusty
dne
xenial
Fixed 4.15.0-1028.29~16.04.1
released
linux-gcp-edge
bionic
Fixed 4.15.0-1028.29
released
cosmic
dne
disco
dne
trusty
dne
xenial
dne
linux-gke
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
ignored
linux-gke-4.15
bionic
not-affected
disco
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
not-affected
disco
dne
trusty
dne
xenial
dne
linux-goldfish
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
ignored
linux-grouper
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
dne
linux-hwe
bionic
Fixed 4.18.0-16.17~18.04.1
released
cosmic
dne
disco
dne
trusty
dne
xenial
Fixed 4.15.0-46.49~16.04.1
released
linux-hwe-edge
bionic
not-affected
cosmic
dne
disco
dne
trusty
dne
xenial
Fixed 4.15.0-46.49~16.04.1
released
linux-kvm
bionic
Fixed 4.15.0-1030.30
released
cosmic
Fixed 4.18.0-1008.8
released
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1041.47
released
linux-lts-trusty
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
dne
linux-lts-utopic
bionic
dne
cosmic
dne
disco
dne
trusty
ignored
xenial
dne
linux-lts-vivid
bionic
dne
cosmic
dne
disco
dne
trusty
ignored
xenial
dne
linux-lts-wily
bionic
dne
cosmic
dne
disco
dne
trusty
ignored
xenial
dne
linux-lts-xenial
bionic
dne
cosmic
dne
disco
dne
trusty
Fixed 4.4.0-143.169~14.04.2
released
xenial
dne
linux-maguro
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
dne
linux-mako
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
ignored
linux-manta
bionic
dne
cosmic
dne
disco
dne
trusty
dne
xenial
dne
linux-oem
bionic
Fixed 4.15.0-1034.39
released
cosmic
Fixed 4.15.0-1034.39
released
disco
not-affected
trusty
dne
xenial
ignored
linux-oracle
bionic
Fixed 4.15.0-1009.11
released
cosmic
Fixed 4.15.0-1009.11
released
disco
not-affected
trusty
dne
xenial
Fixed 4.15.0-1009.11~16.04.1
released
linux-raspi2
bionic
Fixed 4.15.0-1032.34
released
cosmic
Fixed 4.18.0-1010.12
released
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1104.112
released
linux-snapdragon
bionic
Fixed 4.15.0-1053.57
released
cosmic
dne
disco
not-affected
trusty
dne
xenial
Fixed 4.4.0-1108.113
released
policykit-1
bionic
Fixed 0.105-20ubuntu0.18.04.5
released
cosmic
Fixed 0.105-21ubuntu0.4
released
disco
Fixed 0.105-25
released
trusty
Fixed 0.105-4ubuntu3.14.04.6
released
xenial
Fixed 0.105-14.1ubuntu0.5
released
References