A flaw was found in PackageKit in the way some of the methods exposed by the Transaction interface examines files. This issue allows a local user to measure the time the methods take to execute and know whether a file owned by root or other users exists.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Packagekit | Packagekit_project | * | * |
| Packagekit | Ubuntu | bionic | * |
| Packagekit | Ubuntu | impish | * |
| Packagekit | Ubuntu | kinetic | * |
| Packagekit | Ubuntu | lunar | * |
| Packagekit | Ubuntu | mantic | * |
| Packagekit | Ubuntu | trusty | * |
| Packagekit | Ubuntu | xenial | * |