On Sat, Oct 15, 2022 at 6:03 PM Peter Boy <pboy@xxxxxxxxxxxxx> wrote:
With branch 20221012 as well as 20221014 I get with Fedora Server on BIOS boot Hardware several AVC events like
type=AVC msg=audit(1665848517.93:288): avc: denied { sys_admin } for pid=1635 comm="systemd-gpt-aut" capability=21 scontext=system_u:system_r:systemd_gpt_generator_t:s0 tcontext=system_u:system_r:systemd_gpt_generator_t:s0 tclass=capability permissive=0
I can’t find any impairments from it so far.
I couldn’t find anything about it besides an old bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=1499479
Does anyone have information on whether this can be safely ignored?
Some Details:
Deploying the ServerKVM immediately after completing the first boot configuration I get 2 times the message
systemd-gpt-auto-generator[1169]: Failed to dissect: Permission denied
The system proceeds with any problem and finally shows the login prompt.
Accordingly I find in audit.log:
type=AVC msg=audit(1665836956.540:288): avc: denied { sys_admin } for pid=1249 comm="systemd-gpt-aut" capability=21 scontext=system_u:system_r:systemd_gpt_generator_t:s0 tcontext=system_u:system_r:systemd_gpt_generator_t:s0 tclass=capability permissive=0
The same happens with a standard installation of Fedora Server on hardware. The system boots to login without issues. But as soon as I perform a file operation, e.g. creating log. volume and a filesystem I get the same AVC event.
type=AVC msg=audit(1665848517.93:288): avc: denied { sys_admin } for pid=1635 comm="systemd-gpt-aut" capability=21 scontext=system_u:system_r:systemd_gpt_generator_t:s0 tcontext=system_u:system_r:systemd_gpt_generator_t:s0 tclass=capability permissive=0
Hello Peter,
I believe this AVC is harmless, refer to a systemd bz for more details:
and related kernel one:
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Zdenek Pytela
Security SELinux team
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