F37 sssd sqpoll #1879
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F37 sssd sqpoll #1879
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In the d2c31f429b libuv commit ("linux: introduce io_uring support",
libuv/libuv@d2c31f429b)
support for io_uring was added which requires the sqpoll SELinux
permissions for services linked with libuv or executing a non-confined
command (e. g. /usr/bin/nsupdate) which is linked with libuv.
The commit addresses the following AVC denial:
type=AVC msg=audit(1689629587.147:175): avc: denied { sqpoll } for pid=3950 comm="nsupdate" scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:system_r:sssd_t:s0 tclass=io_uring permissive=0
Resolves: rhbz#2241105
The commit addresses the following example AVC denial:
type=PROCTITLE msg=audit(07/18/2023 11:57:52.157:925) : proctitle=/usr/sbin/named -u named -c /etc/named.conf
type=SYSCALL msg=audit(07/18/2023 11:57:52.157:925) : arch=x86_64 syscall=io_uring_setup success=no exit=EACCES(Permission denied) a0=0x40 a1=0x7fffbb6a9020 a2=0x0 a3=0x56537b7683f0 items=0 ppid=35360 pid=35361 auid=unset uid=named gid=named euid=named suid=named fsuid=named egid=named sgid=named fsgid=named tty=(none) ses=unset comm=named exe=/usr/sbin/named subj=system_u:system_r:named_t:s0 key=(null)
type=AVC msg=audit(07/18/2023 11:57:52.157:925) : avc: denied { sqpoll } for pid=35361 comm=named scontext=system_u:system_r:named_t:s0 tcontext=system_u:system_r:named_t:s0 tclass=io_uring permissive=0
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