[systemd-bugs] [Bug 81959] New: Misleading documentation for NoNewPrivileges about UID changes

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jul 31 03:27:24 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=81959

          Priority: medium
            Bug ID: 81959
          Assignee: systemd-bugs at lists.freedesktop.org
           Summary: Misleading documentation for NoNewPrivileges about UID
                    changes
        QA Contact: systemd-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: intrigeri at boum.org
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: general
           Product: systemd

Hi,

the section about NoNewPrivileges in systemd.exec(5) reads "it also prohibits
UID changes of any kind". This lead me to believe that the daemon started by a
unit file that enables NoNewPrivilege could not change its UID (e.g. to drop
root privileges), which is apparently not the case, as Ansgar Burchardt kindly
explained to me on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756604#10.

Thanks a lot for writing and maintaining systemd,
Cheers!

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