Messages in this thread | | | Subject | Re: [PATCH 3/4] ima: don't ignore INTEGRITY_UNKNOWN EVM status | From | Roberto Sassu <> | Date | Tue, 21 May 2019 09:26:53 +0200 |
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On 5/20/2019 11:20 PM, Mimi Zohar wrote: > On Thu, 2019-05-16 at 18:12 +0200, Roberto Sassu wrote: >> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt >> index 52e6fbb042cc..80e1c233656b 100644 >> --- a/Documentation/admin-guide/kernel-parameters.txt >> +++ b/Documentation/admin-guide/kernel-parameters.txt >> @@ -1588,6 +1588,9 @@ >> Format: { "off" | "enforce" | "fix" | "log" } >> default: "enforce" >> >> + ima_appraise_req_evm >> + [IMA] require EVM for appraisal with file digests. > > As much as possible we want to limit the number of new boot command > line options as possible. Is there a reason for not extending > "ima_appraise=" with "require-evm" or "enforce-evm"?
ima-appraise= can be disabled with CONFIG_IMA_APPRAISE_BOOTPARAM, which probably is done when the system is in production.
Should I allow to use ima-appraise=require-evm even if CONFIG_IMA_APPRAISE_BOOTPARAM=n?
Thanks
Roberto
-- HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063 Managing Director: Bo PENG, Jian LI, Yanli SHI
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