[SECURITY] Fedora 29 Update: polkit-0.115-4.2.fc29
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Fedora Update Notification
FEDORA-2019-e957cecffd
2019-01-13 02:30:40.466723
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Name : polkit
Product : Fedora 29
Version : 0.115
Release : 4.2.fc29
URL : http://www.freedesktop.org/wiki/Software/polkit
Summary : An authorization framework
Description :
polkit is a toolkit for defining and handling authorizations. It is
used for allowing unprivileged processes to speak to privileged
processes.
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Update Information:
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
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ChangeLog:
* Mon Jan 7 2019 Jan Rybar <jrybar(a)redhat.com> - 0.115-5
- Fix of start_time reuse exploit (slowfork)
* Fri Dec 7 2018 Jan Rybar <jrybar(a)redhat.com> - 0.115-4.1
- Fix of CVE-2018-19788, priv escalation with high UIDs
- Resolves: rhbz#1655926
* Thu Sep 27 2018 Owen Taylor <otaylor(a)redhat.com> - 0.115-4
- Fix installation with prefix != /usr
* Fri Jul 20 2018 Jan Rybar <jrybar(a)redhat.com> - 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
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-e957cecffd' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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/keys
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