linux-kernel - Re: [PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD

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>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <af326443-af2d-12c1-34ee-4d41940149ef@oracle.com>
Date:   Wed, 15 Feb 2017 09:49:10 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Paul Durrant <paul.durrant@...rix.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>
Subject: Re: [PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD_RESTRICT

On 02/13/2017 12:03 PM, Paul Durrant wrote:
> The purpose if this ioctl is to allow a user of privcmd to restrict its
> operation such that it will no longer service arbitrary hypercalls via
> IOCTL_PRIVCMD_HYPERCALL, and will check for a matching domid when
> servicing IOCTL_PRIVCMD_DM_OP. The aim of this is to limit the attack
> surface for a compromised device model.
>
> Signed-off-by: Paul Durrant <paul.durrant@...rix.com>


Applied to for-linus-4.11 (with commit message adjustment)

-boris