Re: Selinux policy for x509_ima.der public certificate loaded by kernel during boot

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06.11.2020 15:22, rishi gupta пишет:
> I am getting below error as selinux is denying access to the .ima
> keyring. Looking for guidance for asymmetric public key selinux
> policy.
>
> [  172.014855] integrity: Request for unknown key 'id:87deb3bf' err -13
I am getting the same error without selinux.
>
> [  172.015035] audit: type=1800 audit(1604596570.579:240): pid=825
> uid=1021 auid=4294967295 ses=4294967295
> subj=system_u:system_r:mydaemon_t:s0-s15:c0.c1023 op="appraise_data"
> cause="invalid-signature" comm="mydaemon"
> name="/usr/lib/libstdc++.so.6.0.25" dev="ubifs" ino=14353 res=0
Selinux context is just logged here. It has nothing to do with reasons of ivalid signature. Public key seems to be not loaded.
>
> (a) Do I need to set the selinux context of file
> /etc/keys/x509_ima.der. If yes what it should be.
> (b) Do I need to set some selinux rule for .ima keyring. If yes how. I
> tried a lot but could not find any resource.
Usually IMA policy is loaded before SELinux policy I think
>
> Regards,
> Rishi




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