{"uuid": "66e0a2bd-beb3-4bc1-8a42-26b33dccbf9f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-2235", "type": "seen", "source": "https://t.me/cibsecurity/63124", "content": "\u203c CVE-2023-2235 \u203c\n\nA use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privilege escalation.The perf_group_detach function did not check the event's siblings' attach_state before calling add_event_to_groups(), but\u00c2\u00a0remove_on_exec made it possible to call list_del_event() on before detaching from their group, making it possible to use a dangling pointer causing a use-after-free vulnerability.We recommend upgrading past commit fd0815f632c24878e325821943edccc7fde947a2.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-05-01T16:29:28.000000Z"}