CVE-2022-2526

A use-after-free vulnerability was found in systemd. This issue occurs due
to the on_stream_io() function and dns_stream_complete() function in
‘resolved-dns-stream.c’ not incrementing the reference counting for the
DnsStream object. Therefore, other functions and callbacks called can
dereference the DNSStream object, causing the use-after-free when the
reference is still used later.

Bugs

• <https://bugzilla.redhat.com/show_bug.cgi?id=2109926&gt;