Description
The polkit_backend_action_pool_init function in polkitbackend/polkitbackendactionpool.c in PolicyKit (aka polkit) before 0.113 might allow local users to gain privileges via duplicate action IDs in action descriptions.
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 | 0.105-12 | — |
| Debian 13 | policykit-1 | 0.105-12 | — |
| Debian 12 | policykit-1 | 0.105-12 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | policykit-1 | 0.105-20ubuntu0.18.04.1 | USN-3717-1 |
| Ubuntu 16.04 LTS | policykit-1 | 0.105-14.1ubuntu0.1 | USN-3717-1 |
| Ubuntu 14.04 LTS | policykit-1 | 0.105-4ubuntu3.14.04.2 | USN-3717-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | polkit | 0.113-4.1 | SUSE-SU-2015:1838-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | polkit | 0.113-4.1 | SUSE-SU-2015:1838-1 |
Advisories 2
- USN-3717-1 policykit-1 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2015:1838-1 Security update for polkit SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201611-07 vendor-advisory
- USN-3717-2 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1245673
- openSUSE-SU-2015:1927 vendor-advisory
- [polkit-devel] 20150702 polkit-0.113 released mailing-list
- openSUSE-SU-2015:1734 vendor-advisory
- 1035023 vdb-entry
- https://bugs.freedesktop.org/show_bug.cgi?id=83590