THREAT OPS › Threat News › [NVD] CVE-2023-2235 (HIGH 7.8) — A 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 remove_on_exec made it
[NVD] CVE-2023-2235 (HIGH 7.8) — A 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 remove_on_exec made it
CVE-2023-2235 CVSS: 7.8 HIGH Published: 2023-05-01T13:15:44.713
A 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 remove_on_exec made it possible to call list_del_event() on before detaching
Indicators of compromise
- fd0815f632c24878e325821943edccc7fde947a2sha1
- CVE-2023-2235cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2023-2235