Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 27 Nov 2018 20:31:25 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 233578] Unprivileged local user can prevent other users logging in by locking utx.active
Message-ID:  <bug-233578-227-9mlnLQzgdh@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-233578-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-233578-227@https.bugs.freebsd.org/bugzilla/>

next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D233578

Conrad Meyer <cem@freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|11.2-RELEASE                |CURRENT

--- Comment #1 from Conrad Meyer <cem@freebsd.org> ---
(a) sort of breaks the libc getutxent APIs for ordinary users.

Happily, the getutxent APIs do not try to use locking to get a consistent
snapshot of the file, so (b) should fix the problem just fine.

https://github.com/freebsd/freebsd/blob/master/lib/libc/gen/getutxent.c

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-233578-227-9mlnLQzgdh>