CVE-2021-4115

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
Affected Products (NVD)
VendorProductVersion
polkit_projectpolkit
0.117
redhatenterprise_linux
8.0
canonicalubuntu_linux
20.04
canonicalubuntu_linux
21.10
debiandebian_linux
11.0
oraclezfs_storage_appliance_kit
8.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
policykit-1
bookworm
122-3
fixed
bullseye
no-dsa
bullseye (security)
vulnerable
buster
not-affected
sid
125-2
fixed
stretch
not-affected
trixie
125-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
policykit-1
bionic
not-affected
focal
Fixed 0.105-26ubuntu1.3
released
impish
Fixed 0.105-31ubuntu0.2
released
jammy
not-affected
trusty
not-affected
xenial
not-affected
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libpolkit-agent-1-0-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
libpolkit-gobject-1-0-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
libpolkit0
suse enterprise desktop 15 SP3
0.116-3.9.1
fixed
suse enterprise desktop 15 SP4
0.116-3.9.1
fixed
suse enterprise sap 12 SP5
0.113-5.27.1
fixed
suse enterprise sap 15 SP3
0.116-3.9.1
fixed
suse enterprise sap 15 SP4
0.116-3.9.1
fixed
suse enterprise server 12 SP3
0.113-5.27.1
fixed
suse enterprise server 12 SP5
0.113-5.27.1
fixed
suse enterprise server 15 SP2
0.116-3.9.1
fixed
suse enterprise server 15 SP3
0.116-3.9.1
fixed
suse enterprise server 15 SP4
0.116-3.9.1
fixed
pkexec-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
polkit
suse enterprise desktop 15 SP3
0.116-3.9.1
fixed
suse enterprise desktop 15 SP4
0.116-3.9.1
fixed
suse enterprise sap 12 SP5
0.113-5.27.1
fixed
suse enterprise sap 15 SP3
0.116-3.9.1
fixed
suse enterprise sap 15 SP4
0.116-3.9.1
fixed
suse enterprise server 12 SP3
0.113-5.27.1
fixed
suse enterprise server 12 SP5
0.113-5.27.1
fixed
suse enterprise server 15 SP2
0.116-3.9.1
fixed
suse enterprise server 15 SP3
0.116-3.9.1
fixed
suse enterprise server 15 SP4
0.116-3.9.1
fixed
polkit-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
polkit-devel
suse enterprise desktop 15 SP3
0.116-3.9.1
fixed
suse enterprise desktop 15 SP4
0.116-3.9.1
fixed
suse enterprise sap 15 SP3
0.116-3.9.1
fixed
suse enterprise sap 15 SP4
0.116-3.9.1
fixed
suse enterprise server 15 SP2
0.116-3.9.1
fixed
suse enterprise server 15 SP3
0.116-3.9.1
fixed
suse enterprise server 15 SP4
0.116-3.9.1
fixed
polkit-devel-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
typelib-1_0-Polkit-1_0
suse enterprise desktop 15 SP3
0.116-3.9.1
fixed
suse enterprise desktop 15 SP4
0.116-3.9.1
fixed
suse enterprise sap 12 SP5
0.113-5.27.1
fixed
suse enterprise sap 15 SP3
0.116-3.9.1
fixed
suse enterprise sap 15 SP4
0.116-3.9.1
fixed
suse enterprise server 12 SP3
0.113-5.27.1
fixed
suse enterprise server 12 SP5
0.113-5.27.1
fixed
suse enterprise server 15 SP2
0.116-3.9.1
fixed
suse enterprise server 15 SP3
0.116-3.9.1
fixed
suse enterprise server 15 SP4
0.116-3.9.1
fixed
typelib-1_0-Polkit-1_0-121
suse enterprise desktop 15 SP5
150500.1.6
fixed
suse enterprise desktop 15 SP6
150500.3.3.1
fixed
suse enterprise desktop 15 SP7
150500.3.3.1
fixed
suse enterprise sap 15 SP5
150500.1.6
fixed
suse enterprise sap 15 SP6
150500.3.3.1
fixed
suse enterprise sap 15 SP7
150500.3.3.1
fixed
suse enterprise server 15 SP5
150500.1.6
fixed
suse enterprise server 15 SP6
150500.3.3.1
fixed
suse enterprise server 15 SP7
150500.3.3.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
polkit
RHEL 8
0:0.115-13.el8_5.2
fixed
polkit-devel
RHEL 8
0:0.115-13.el8_5.2
fixed
polkit-docs
RHEL 8
0:0.115-13.el8_5.2
fixed
polkit-libs
RHEL 8
0:0.115-13.el8_5.2
fixed
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html
https://access.redhat.com/security/cve/cve-2021-4115
https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e
https://gitlab.freedesktop.org/polkit/polkit/-/issues/141
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/
https://www.oracle.com/security-alerts/cpujul2022.html
http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html
https://access.redhat.com/security/cve/cve-2021-4115
https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e
https://gitlab.freedesktop.org/polkit/polkit/-/issues/141
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/
https://www.oracle.com/security-alerts/cpujul2022.html