Bugtraq mailing list archives
Re: CAN-2004-0814: Linux terminal layer races
From: "Pavel Kankovsky" <peak () argo troja mff cuni cz>
Date: Sat, 23 Oct 2004 19:03:43 +0200 (CEST)
On Wed, 20 Oct 2004, Alan Cox wrote:
Firstly a user can cause crashes and other undefined behaviour by issuing a TIOCSETLD ioctl on a terminal interface while another thread
1. Did you mean TIOCSETD? 2. Sigh. TIOCSETD should have been restricted to root (+) since 1999. (*) (*) Since the "user-rawip-attack" vuln reported by Marc Shaefer. (+) Perhaps with some workaround to address the problem with processes setting the ldisc, dropping the root, and being unable to restore ldisc back to N_TTY when they exit. --Pavel Kankovsky aka Peak [ Boycott Microsoft--http://www.vcnet.com/bms ] "Resistance is futile. Open your source code and prepare for assimilation."
Current thread:
- CAN-2004-0814: Linux terminal layer races Alan Cox (Oct 21)
- Re: CAN-2004-0814: Linux terminal layer races Pavel Kankovsky (Oct 25)