Description
An Incorrect Authorization vulnerability in Linux-Gaming PortProtonQt allows any users to mount and unmount arbitrary file systems and modify the network configuration via NetworkManager.
This issue affects PortProtonQt before 0d0f0950ebd948cdf82e8c3e1ebd2bcb9b8bafbe.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux-Gaming | PortProtonQt | — | — |
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.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | portprotonqt | 1.4.1-1.1 | openSUSE-SU-2026:11969-1 |
Advisories 1
- openSUSE-SU-2026:11969-1 portprotonqt-1.4.1-1.1 on GA media SUSE / openSUSE Security Updates · Oct 3, 2026