Fedora 29: 2019-e957cecffd Critical: Process Duplication in Polkit

polkit is a toolkit for defining and handling authorizations. It is

used for allowing unprivileged processes to speak to privileged

processes.

Due to kernel issue there is a way to reuse start_time of a process. This allows

to duplicate process authorized by polkit. This update mitigates polkit issue

#75 (slowfork): https://gitlab.freedesktop.org/polkit/polkit/-/issues/75

* Mon Jan 7 2019 Jan Rybar - 0.115-5

- Fix of start_time reuse exploit (slowfork)

* Fri Dec 7 2018 Jan Rybar - 0.115-4.1

- Fix of CVE-2018-19788, priv escalation with high UIDs

- Resolves: rhbz#1655926

* Thu Sep 27 2018 Owen Taylor - 0.115-4

- Fix installation with prefix != /usr

* Fri Jul 20 2018 Jan Rybar - 0.115-3

- Warning raised by polkit when disconnected from ssh

- polkitagentlistener: resource leak - pointer to 'server'

- Error message raised on every 'systemctl start' in emergency.target

su -c 'dnf upgrade --advisory FEDORA-2019-e957cecffd' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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