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CVE-2016-7795

Published: 13 October 2016

The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.

Notes

AuthorNote
mdeslaur
USN-3094-1 fix is incomplete, see bug
sbeattie
additional DoS fix is covered by CVE-2016-7796, also upstream
reworked fix for this CVE.
trusty and vivid-phone are not affected as upstart is
init there

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
systemd
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Not vulnerable
(204-5ubuntu20.19)
upstream Needs triage

xenial
Released (229-4ubuntu10)
yakkety Not vulnerable
(231-9)
zesty Not vulnerable
(231-9)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H