Re: [PATCH 0/7] firmware validation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 14 Jul 2014 14:38:10 -0700
Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> This creates a new LSM hook to validate the contents (and origin) of
> component firmware being provided to the kernel from userspace via the
> request_firmware() interface.
> 
> Additionally creates a test module and test cases for all of the existing
> interfaces as well as the new "fd" interface.

There is a specific reason that this is a good idea. On any system with
basic capabilities only anyone owning DAC capabilities can replace the
firmware file on disk. So for some devices DAC implies a route to RAWIO
which is not good.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux