linux-kernel - sys_tz is not namespaced.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <162ebbd7-c319-ac29-50ba-c36c438c44e9@landley.net>
Date: Tue, 13 Feb 2024 15:19:10 -0600
From: Rob Landley <rob@...dley.net>
To: Tobias Klauser <tklauser@...tanz.ch>,
 Christian Brauner <brauner@...nel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: sys_tz is not namespaced.

Re commit d95debbdc528 fixing CLONE_NEWTIME to work in clone()...

I note that sys_tz in kernel/time/time.c does not appear to be namespaced?

You might want to at least fail trying to set it outside of the root time
namespace. (Line 186, unless security_settime64() is already doing that?)

Rob