CVE-2016-7796
The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.
| Software | From | Fixed in |
|---|---|---|
| systemd_project / systemd | 209 | 209.x |
| systemd_project / systemd | 213 | 213.x |
| systemd_project / systemd | 229 | 229.x |
| systemd_project / systemd | 214 | 214.x |
| novell / suse_linux_enterprise_server | 12.0 | 12.0.x |
| novell / suse_linux_enterprise_desktop | 12-sp1 | 12-sp1.x |
| novell / suse_linux_enterprise_server | 12.0-sp1 | 12.0-sp1.x |
| novell / suse_linux_enterprise_server_for_sap | 12.0 | 12.0.x |
| novell / suse_linux_enterprise_software_development_kit | 12.0-sp1 | 12.0-sp1.x |
| redhat / enterprise_linux_desktop | 7.0 | 7.0.x |
| redhat / enterprise_linux_workstation | 7.0 | 7.0.x |
| redhat / enterprise_linux_server | 7.0 | 7.0.x |
| redhat / enterprise_linux_hpc_node | 7.0 | 7.0.x |
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2017-0003.html
- http://www.openwall.com/lists/oss-security/2016/09/30/1
- http://www.securityfocus.com/bid/93250
- http://www.securitytracker.com/id/1037320
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911
- https://github.com/systemd/systemd/issues/4234#issuecomment-250441246
- https://rhn.redhat.com/errata/RHBA-2015-2092.html
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
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