Description
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
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | polkitd | 0.117 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | policykit-1 | 0.105-32 | — |
| Debian 13 | policykit-1 | 0.105-32 | — |
| Debian 12 | policykit-1 | 0.105-32 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | policykit-1 | 0.105-26ubuntu1.3 | USN-5304-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | polkit +3 | 0.115-13.el8_5.2 | RHSA-2022:1546 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | polkit +3 | 0.115-13.el8_5.2 | ALSA-2022:1546 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | polkit | 0.115-13.el8_5.2 | RLSA-2022:1546 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-1 |
| SLES 15 SP2 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-2 |
| SLES 12 SP5 | polkit | 0.113-5.27.1 | SUSE-SU-2022:0524-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-2 |
| SLES for SAP 12 SP5 | polkit | 0.113-5.27.1 | SUSE-SU-2022:0524-1 |
| SLE Real Time 15 SP2 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-1 |
| SLE Micro 5.1 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-1 |
| SLE Micro 5.0 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-1 |
| SUSE Enterprise Storage 7 | polkit | 0.116-3.9.1 | SUSE-SU-2022:0525-2 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | polkit | 0.120-3.1 | openSUSE-SU-2024:11868-1 |
| openSUSE Leap 15.3 | polkit | 0.116-3.9.1 | openSUSE-SU-2022:0525-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | polkit +3 | 0.117-10.amzn2023.0.3 | ALAS2023-2023-026 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | polkit +3 | 0.115-13.0.1.el8_5.2 | ELSA-2022-1546 |
Advisories 13
- ALSA-2022:1546 Moderate: polkit security update AlmaLinux Security Advisories · Oct 29, 2026
- USN-5304-1 policykit-1 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- RLSA-2022:1546 Moderate: polkit security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2022:0525-1 Security update for polkit SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0525-1 Security update for polkit SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0525-2 Security update for polkit SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0524-1 Security update for polkit SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11868-1 libpolkit-agent-1-0-0.120-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:1546 Red Hat Security Advisory: polkit security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2022-1335 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 6, 2025
- ALAS2023-2023-026 Important: polkit security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- WID-SEC-2022-0773 PolicyKit: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Feb 7, 2023
- ELSA-2022-1546 Moderate: polkit security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 27, 2022
References
- https://access.redhat.com/security/cve/cve-2021-4115
- https://gitlab.freedesktop.org/polkit/polkit/-/issues/141
- https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e
- FEDORA-2022-5e6d5fe680 vendor-advisory
- https://www.oracle.com/security-alerts/cpujul2022.html
- http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html