Summary
It was discovered that PolicyKit incorrectly relied on the fork() system
call in the Linux kernel being atomic. A local attacker could possibly use
this issue to gain access to services that have cached authorizations.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | policykit-1 | 0.105-4ubuntu3.14.04.6 |
| Ubuntu · 16.04 LTS 16.04:LTS | policykit-1 | 0.105-14.1ubuntu0.5 |
| Ubuntu · 18.04 LTS 18.04:LTS | policykit-1 | 0.105-20ubuntu0.18.04.5 |
Vulnerabilities 1
-
Unscored —
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, an…
References
-
report
https://ubuntu.com/security/CVE-2019-6133