CVE catalog
CVE-2021-4115
policykit-1: CVE-2021-4115
- Severity
- Medium · CVSS 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.53% · Oct 25, 2026
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
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | policykit-1 | sid | 128-1 | fixed |
| Debian | policykit-1 | forky | 128-1 | fixed |
| Debian | policykit-1 | trixie | 126-2 | fixed |
| Debian | policykit-1 | bookworm | 122-3 | fixed |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.1 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.2 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.3 | fixed |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.1 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.2 | vulnerable |
| Ubuntu | policykit-1 | 20.04 | 0.105-26ubuntu1.3 | fixed |
| Opensuse | polkit | leap 15.3 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise module for basesystem 15 sp3 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise real time 15 sp2 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise micro 5.0 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise micro 5.1 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise server 15 sp2-ltss | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise server for sap applications 15 sp2 | 0.116-3.9.1 | fixed |
| Suse | polkit | enterprise storage 7 | 0.116-3.9.1 | fixed |
| Suse | polkit | linux enterprise software development kit 12 sp5 | 0.113-5.27.1 | fixed |
| Suse | polkit | linux enterprise server 12 sp5 | 0.113-5.27.1 | fixed |
| Suse | polkit | linux enterprise server for sap applications 12 sp5 | 0.113-5.27.1 | fixed |
| Suse | polkit | linux enterprise workstation extension 12 sp5 | 0.113-5.27.1 | fixed |
| Opensuse | polkit | tumbleweed | 0.120-3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | policykit-1 | source | sid | 0.105-32 | not yet assigned | Not reported | [1005784] |
| Debian | policykit-1 | source | forky | 0.105-32 | not yet assigned | Not reported | [1005784] |
| Debian | policykit-1 | source | trixie | 0.105-32 | not yet assigned | Not reported | [1005784] |
| Debian | policykit-1 | source | bookworm | 0.105-32 | not yet assigned | Not reported | [1005784] |
| Ubuntu | policykit-1 | deb | 20.04 | 0.105-26ubuntu1.3 | Not reported | UBUNTU-CVE-2021-4115 | Not reported |
| Ubuntu | policykit-1 | deb | 20.04 | 0.105-26ubuntu1.3 | Not reported | USN-5304-1 | Not reported |
| Opensuse | polkit | rpm | leap 15.3 | 0.116-3.9.1 | Not reported | OPENSUSE-SU-2022:0525-1 | Not reported |
| Suse | polkit | rpm | linux enterprise module for basesystem 15 sp3 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-1 | Not reported |
| Suse | polkit | rpm | linux enterprise real time 15 sp2 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-1 | Not reported |
| Suse | polkit | rpm | linux enterprise micro 5.0 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-1 | Not reported |
| Suse | polkit | rpm | linux enterprise micro 5.1 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-1 | Not reported |
| Suse | polkit | rpm | linux enterprise server 15 sp2-ltss | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-2 | Not reported |
| Suse | polkit | rpm | linux enterprise server for sap applications 15 sp2 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-2 | Not reported |
| Suse | polkit | rpm | enterprise storage 7 | 0.116-3.9.1 | Not reported | SUSE-SU-2022:0525-2 | Not reported |
| Suse | polkit | rpm | linux enterprise software development kit 12 sp5 | 0.113-5.27.1 | Not reported | SUSE-SU-2022:0524-1 | Not reported |
| Suse | polkit | rpm | linux enterprise server 12 sp5 | 0.113-5.27.1 | Not reported | SUSE-SU-2022:0524-1 | Not reported |
| Suse | polkit | rpm | linux enterprise server for sap applications 12 sp5 | 0.113-5.27.1 | Not reported | SUSE-SU-2022:0524-1 | Not reported |
| Suse | polkit | rpm | linux enterprise workstation extension 12 sp5 | 0.113-5.27.1 | Not reported | SUSE-SU-2022:0524-1 | Not reported |
| Opensuse | polkit | rpm | tumbleweed | 0.120-3.1 | Not reported | OPENSUSE-SU-2024:11868-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [libpolkit-agent-1-0]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [libpolkit-agent-1-0-32bit]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [libpolkit-gobject-1-0]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [libpolkit-gobject-1-0-32bit]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [pkexec]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [polkit-devel]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [polkit-doc]Unknown
Source package: [polkit]
Details (1)
127-7.2· noarch · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
- [typelib-1_0-Polkit-1_0]Unknown
Source package: [polkit]
Details (1)
127-7.2· x86_64 · tumbleweedUnknown · Fixed:
0.120-3.1Version impact unknown
dsa · polkit · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [gir1.2-polkit-1.0]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [libpolkit-agent-1-0]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [libpolkit-agent-1-dev]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [libpolkit-gobject-1-0]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [libpolkit-gobject-1-dev]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [pkexec]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [policykit-1]Fixed
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [policykit-1-doc]Fixed
Source package: [policykit-1]
Details (2)
122-3· all · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· all · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [polkitd]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [polkitd-javascript]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
- [polkitd-pkla]Fixed
Source package: [policykit-1]
Details (2)
122-3· amd64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
122-3· arm64 · bookwormFixed · Fixed:
0.105-32dsa · policykit-1 · debian · bookworm; dsa · policykit-1 · debian · 12
[Debian 13 (Trixie)]
- [gir1.2-polkit-1.0]Fixed
Source package: [policykit-1]
Details (2)
126-2· amd64 · trixieFixed · Fixed:
0.105-32dsa · policykit-1 · debian · 13
126-2· arm64 · trixieFixed · Fixed:
0.105-32dsa · policykit-1 · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2022:1546]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2022_1546.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-4115]
- [https://osv.dev/vulnerability/SUSE-SU-2022:0524-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:0525-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:0525-2]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-4115]
- [https://osv.dev/vulnerability/USN-5304-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2022:0525-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11868-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-4115]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0773.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]