Re: [PATCH v6 7/7] ima: add policy support for the new file open MAY_OPENEXEC flag

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

 



On Tue, Jul 14, 2020 at 08:16:38PM +0200, Mickaël Salaün wrote:
> From: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> 
> The kernel has no way of differentiating between a file containing data
> or code being opened by an interpreter.  The proposed O_MAYEXEC
> openat2(2) flag bridges this gap by defining and enabling the
> MAY_OPENEXEC flag.
> 
> This patch adds IMA policy support for the new MAY_OPENEXEC flag.
> 
> Example:
> measure func=FILE_CHECK mask=^MAY_OPENEXEC
> appraise func=FILE_CHECK appraise_type=imasig mask=^MAY_OPENEXEC
> 
> Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> Reviewed-by: Lakshmi Ramasubramanian <nramas@xxxxxxxxxxxxxxxxxxx>
> Acked-by: Mickaël Salaün <mic@xxxxxxxxxxx>

(Process nit: if you're sending this on behalf of another author, then
this should be Signed-off-by rather than Acked-by.)

-- 
Kees Cook



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux