On Wed, Feb 28, 2018 at 10:27:08AM +0100, Dominick Grift wrote:
> Since Linux 4.16 (to atleast RC2) user space started to excessively trigger cap_sys_module
>
> Here is one example of such and event:
>
> type=SYSCALL msg=audit(02/27/2018 08:06:40.017:74) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x2 a1=TCGETS a2=0x7fff2d89f8f0 a3=0x55ba203a9010 items=0 ppid=1 pid=423 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=systemd-user-se exe=/usr/lib/systemd/systemd-user-sessions subj=sys.id:sys.role:user_sessions.subj:s0 key=(null)
> type=AVC msg=audit(02/27/2018 08:06:40.017:74) : avc: denied { sys_module } for pid=423 comm=systemd-user-se capability=sys_module scontext=sys.id:sys.role:user_sessions.subj:s0 tcontext=sys.id:sys.role:user_sessions.subj:s0 tclass=capability permissive=1
> type=AVC msg=audit(02/27/2018 08:06:40.017:74) : avc: denied { module_request } for pid=423 comm=systemd-user-se kmod=6E65746465762D80E72A05257F scontext=sys.id:sys.role:user_sessions.subj:s0 tcontext=sys.id:sys.role:sys.isid:s0 tclass=system permissive=1
>
> Any idea what causes this and how to fix it?
For reference: https://github.com/fedora-selinux/selinux-policy/commit/2c13be1fb543c51935785e7a43b798a9f35f5aa0#comments
>
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> Dominick Grift
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Dominick Grift
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