CVE-2022-2526

ADVISORY - nist

Summary

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.

EPSS Score⁠: 0.00295 (0.528)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-416⁠

Use After Free

ADVISORY - redhat

CWE-416⁠

Use After Free

Impacted images

Advisories

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