>   I noticed that the moxa input checking security bug described by
> CVE-2005-0504 appears to remain unfixed upstream.
>  
> The issue is described here:
>   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0504
> 
> Debian has been shipping the following patch from Andres Salomon. I
> tried contacting the listed maintainer a few months ago but received
> no response.


       case MOXA_LOAD_BIOS:
        case MOXA_FIND_BOARD:
        case MOXA_LOAD_C320B:
        case MOXA_LOAD_CODE:
                if (!capable(CAP_SYS_RAWIO))
                        return -EPERM;
                break;

At the point you abuse these calls you can already just load arbitary
data from userspace anyway.

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