CVE-2026-45684 OpenTelemetry eBPF Instrumentation: Log enricher writev path can overread and overwrite user buffers

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.7.0 to before version 0.9.0, OBI's log enricher mishandles writev buffers by reading only the first iovec entry but using the total ioviter.count as the copy length. When log...

CVE-2026-45684

OpenTelemetry eBPF Instrumentation (OBI) log enricher vulnerability CVE-2026-45684: in versions 0.7.0–0.8.x, the writev path mishandles buffers by reading only the first iovec entry while using the total iov_iter.count for the copy length. When log injection is enabled, a crafted multi-segment wr...