Update systemd-networkd policy in systemd v257 #2441
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In particular, permissions to read cgroup dirs and work with bpf
programs were allowed.
The commit addresses, among others, the following AVC denial:
type=PROCTITLE msg=audit(11/20/2024 02:20:27.486:845) : proctitle=/usr/lib/systemd/systemd-networkd
type=SYSCALL msg=audit(11/20/2024 02:20:27.486:845) : arch=x86_64 syscall=bpf success=no exit=EACCES(Permission denied) a0=BPF_PROG_LOAD a1=0x7ffeeb990170 a2=0x94 a3=0x7fee005e937e items=0 ppid=1 pid=9637 auid=unset uid=systemd-network gid=systemd-network euid=systemd-network suid=systemd-network fsuid=systemd-network egid=systemd-network sgid=systemd-network fsgid=systemd-network tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null)
type=AVC msg=audit(11/20/2024 02:20:27.486:845) : avc: denied { prog_load } for pid=9637 comm=systemd-network scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:system_r:systemd_networkd_t:s0 tclass=bpf permissive=0
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In particular, permissions to read cgroup dirs and work with bpf programs were allowed.
The commit addresses, among others, the following AVC denial: type=PROCTITLE msg=audit(11/20/2024 02:20:27.486:845) : proctitle=/usr/lib/systemd/systemd-networkd type=SYSCALL msg=audit(11/20/2024 02:20:27.486:845) : arch=x86_64 syscall=bpf success=no exit=EACCES(Permission denied) a0=BPF_PROG_LOAD a1=0x7ffeeb990170 a2=0x94 a3=0x7fee005e937e items=0 ppid=1 pid=9637 auid=unset uid=systemd-network gid=systemd-network euid=systemd-network suid=systemd-network fsuid=systemd-network egid=systemd-network sgid=systemd-network fsgid=systemd-network tty=(none) ses=unset comm=systemd-network exe=/usr/lib/systemd/systemd-networkd subj=system_u:system_r:systemd_networkd_t:s0 key=(null) type=AVC msg=audit(11/20/2024 02:20:27.486:845) : avc: denied { prog_load } for pid=9637 comm=systemd-network scontext=system_u:system_r:systemd_networkd_t:s0 tcontext=system_u:system_r:systemd_networkd_t:s0 tclass=bpf permissive=0