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.
| Product | Vendor | Version |
|---|---|---|
| systemd-resolved | n/a | 2008 for x64-based Systems Service Pack 2 (Core installation) |