It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||4.7||Base Metrics:||AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H|
|Access Vector:||Local network||Attack Complexity:||High|
|Privileges Required:||Low||User Interaction:||None|
|Integrity Impact:||None||Availability Impact:||High|
|Oracle Linux version 7 (systemd)||ELSA-2019-2091||2019-08-13|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team