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Groups > linux.kernel > #1580034
| From | Boris Ostrovsky <boris.ostrovsky@oracle.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD_RESTRICT |
| Date | 2017-02-13 20:30 +0100 |
| Message-ID | <tautX-7VL-5@gated-at.bofh.it> (permalink) |
| References | <tasit-6AY-5@gated-at.bofh.it> <tasiu-6AY-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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. and IOCTL_PRIVCMD_MMAP*. > The aim of this is to limit the attack > surface for a compromised device model. -boris
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[PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD_RESTRICT Paul Durrant <paul.durrant@citrix.com> - 2017-02-13 18:10 +0100 Re: [PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD_RESTRICT Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-02-13 20:30 +0100 Re: [PATCH v3 3/3] xen/privcmd: add IOCTL_PRIVCMD_RESTRICT Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-02-15 15:50 +0100
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