CVE-2024-56665
CSIRTS triage
- What
- The eBPF and perf subsystems allow invalid prog_array access in perf_event_detach_bpf_prog().
- Who is affected
- Linux kernel versions with eBPF and perf functionality are affected.
- Urgency
- Medium priority; invalid array access could corrupt memory but exploitation is not publicly demonstrated.
- Action
- Apply kernel patches fixing prog_array access validation in perf event detachment.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Advisory coverage (1)
- mediumCVE-2024-56665: bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_progmsrc · 2026-08-06
External references
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[](https://www.csirts.com/cve/CVE-2024-56665)