Re: [PATCH] IMA: do not measure everything opened by root bydefault

[James Morris]

On Tue, 12 May 2009, Eric Paris wrote:

> The IMA default policy measures every single file opened by root.  This is
> terrible for most users.  Consider a system (like mine) with virtual machine
> images.  When those images are touched (which happens at boot for me) those
> images are measured.  This is just way too much for the default case.
> 
> Signed-off-by: Eric Paris <eparis@xxxxxxxxxx>

Applied to 
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next

> ---
> 
>  security/integrity/ima/ima_policy.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index b168c1d..dec6dcb 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -61,8 +61,6 @@ static struct ima_measure_rule_entry default_rules[] = {
>  	 .flags = IMA_FUNC | IMA_MASK},
>  	{.action = MEASURE,.func = BPRM_CHECK,.mask = MAY_EXEC,
>  	 .flags = IMA_FUNC | IMA_MASK},
> -	{.action = MEASURE,.func = PATH_CHECK,.mask = MAY_READ,.uid = 0,
> -	 .flags = IMA_FUNC | IMA_MASK | IMA_UID}
>  };
>  
>  static LIST_HEAD(measure_default_rules);
> 

-- 
James Morris
<jmorris@xxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/