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
| ||
|
Message-ID: <50E723EE.6070304@redhat.com> Date: Fri, 04 Jan 2013 19:48:14 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org CC: Alan Cox <alan@...rguk.ukuu.org.uk>, James Bottomley <James.Bottomley@...senPartnership.com>, Jens Axboe <axboe@...nel.dk>, Ric Wheeler <rwheeler@...hat.com>, Tejun Heo <tj@...nel.org> Subject: Ping^2 Re: [PATCH v3 0/2] add per-device sysfs knob to enable unrestricted, unprivileged SG_IO Il 17/12/2012 15:27, Paolo Bonzini ha scritto: > Il 13/11/2012 18:25, Paolo Bonzini ha scritto: >> > Privilege restrictions for SG_IO right now apply without distinction to >> > all devices, based on the single capability CAP_SYS_RAWIO. This is a very >> > broad capability, and makes it difficult to give SG_IO access to trusted >> > clients that need access to persistent reservations, trim/discard, or >> > vendor-specific commands. One problem here is that CAP_SYS_RAWIO allows >> > to escape a partition and issue commands that affect the full disk, >> > thus making DAC almost useless. >> > >> > For simplicity, this series attempts to solve one case only: you want >> > to pass through almost everything, but still run as confined as possible. >> > This is for example the case for virtualization, where more complex >> > filtering can be done just as easily in userspace, in the virtual >> > machine monitor. (This does mean the filter can be subverted if the >> > guest can escape the QEMU jail, but a more generic approach involving >> > a bitmap was NACKed). >> > >> > Ok for 3.8? > Ping... Jens, I haven't seen any pull request for 3.8 from you. Are > these patches on your radar? Tejun acked both of them. Ping^2. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists