CVE-2026-89747 | Linux Kernel up to 6.12.108/6.18.49/7.2.3 tracing ring_buffer.c ring_buffer_peek use after free (EUVD-2026-76659 / Nessus ID 345362)
A vulnerability was found in Linux Kernel up to 6.12.108/6.18.49/7.2.3. It has been classified as very critical. Affected by this vulnerability is the function ring_buffer_peek of the file kernel/trace/ring_buffer.c of the component tracing. This manipulation causes use after free.
The identification of this vulnerability is CVE-2026-89747. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is recommended.