Messages in this thread | | | Date | Sat, 25 May 2013 01:27:44 -0400 | From | Christoph Hellwig <> | Subject | Re: PING^7 (was Re: [PATCH v2 00/14] Corrections and customization of the SG_IO command whitelist (CVE-2012-4542)) |
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On Fri, May 24, 2013 at 09:35:02PM -0700, James Bottomley wrote: > I'll go along with this. I'm also wondering what the problem would be > if we just allowed all commands on either CAP_SYS_RAWIO or opening the > device for write, so we just defer to the filesystem permissions and > restricted read only opens to the basic all device opcodes.
I've been out of this area for a bit, but the problem used to be that you could send destructive commands to a partition. The right fix for that would be to not allow SG_IO on partitions at all, just wondering if anything would be broken by this.
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