From: Chris PeBenito <pebenito@ieee.org>
To: "Sugar, David" <dsugar@tresys.com>,
"selinux-refpolicy@vger.kernel.org"
<selinux-refpolicy@vger.kernel.org>
Subject: Re: [PATCH v2] audit daemon can halt system, allow this to happen.
Date: Wed, 22 Jan 2020 05:07:34 -0500 [thread overview]
Message-ID: <0c4ce4db-9273-5701-22f6-0a72c308f518@ieee.org> (raw)
In-Reply-To: <20200121160346.392210-1-dsugar@tresys.com>
On 1/21/20 11:04 AM, Sugar, David wrote:
> auditd can halt the system for several reasons based on configuration.
> These mostly revovle around audit partition full issues. I am seeing
> the following denials when attempting to halt the system.
>
> Jan 12 03:38:48 localhost audispd: node=localhost type=USER_AVC msg=audit(1578800328.122:1943): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: denied { start } for auid=n/a uid=0 gid=0 path="/usr/lib/systemd/system/poweroff.target" cmdline="/sbin/init 0" scontext=system_u:system_r:auditd_t:s0 tcontext=system_u:object_r:power_unit_t:s0 tclass=service exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
> Jan 12 03:38:48 localhost audispd: node=localhost type=USER_AVC msg=audit(1578800328.147:1944): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: denied { status } for auid=n/a uid=0 gid=0 path="/usr/lib/systemd/system/poweroff.target" cmdline="/sbin/init 0" scontext=system_u:system_r:auditd_t:s0 tcontext=system_u:object_r:power_unit_t:s0 tclass=service exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
> Jan 12 04:44:54 localhost audispd: node=localhost type=AVC msg=audit(1578804294.103:1923): avc: denied { getattr } for pid=6936 comm="systemctl" path="/run/systemd/system" dev="tmpfs" ino=45 scontext=system_u:system_r:auditd_t:s0 tcontext=system_u:object_r:systemd_unit_t:s0 tclass=dir permissive=1
>
> v2 - use optional rather than ifdef
>
> Signed-off-by: Dave Sugar <dsugar@tresys.com>
> ---
> policy/modules/system/logging.te | 6 ++++++
> policy/modules/system/systemd.if | 20 ++++++++++++++++++++
> 2 files changed, 26 insertions(+)
>
> diff --git a/policy/modules/system/logging.te b/policy/modules/system/logging.te
> index 4c11d061..a4c46c81 100644
> --- a/policy/modules/system/logging.te
> +++ b/policy/modules/system/logging.te
> @@ -223,6 +223,12 @@ ifdef(`distro_ubuntu',`
> ')
> ')
>
> +optional_policy(`
> + init_list_unit_dirs(auditd_t)
> + systemd_start_power_units(auditd_t)
> + systemd_status_power_units(auditd_t)
> +')
> +
Needs to move down between the seutil and udev optionals.
--
Chris PeBenito
prev parent reply other threads:[~2020-01-22 10:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-21 16:04 [PATCH v2] audit daemon can halt system, allow this to happen Sugar, David
2020-01-22 10:07 ` Chris PeBenito [this message]
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