Use After Free Affecting systemd-libs package, versions <0:239-58.0.1.el8_6.4
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Test your applications- Snyk ID SNYK-ORACLE8-SYSTEMDLIBS-3008915
- published 26 Aug 2022
- disclosed 9 Sep 2022
Introduced: 26 Aug 2022
CVE-2022-2526 Open this link in a new tabHow to fix?
Upgrade Oracle:8 systemd-libs to version 0:239-58.0.1.el8_6.4 or higher.
This issue was patched in ELSA-2022-6206.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd-libs package and not the systemd-libs package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
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.