Description
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the per-CPU message-buffer fallback path uses a 256-byte backup buffer but preserves the original payload size, which can be up to 8KB. If a CPU mismatch occurs, OBI can read beyond the fallback buffer and leak adjacent memory into telemetry. This issue has been patched in version 0.9.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation | < 0.9.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | alloy | 1.19.2-150700.15.29.1 | SUSE-SU-2026:4408-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | alloy | 1.19.2-160000.1.1 | SUSE-SU-2026:24148-1 |
| SLES 16.0 | alloy | 1.19.2-160000.1.1 | SUSE-SU-2026:24148-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | alloy | 1.19.2-1.1 | openSUSE-SU-2026:11803-1 |
| openSUSE Leap 16.0 | alloy | 1.19.2-160000.1.1 | openSUSE-SU-2026:22032-1 |
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | go.opentelemetry.io/obi | < 0.9.0 | 0.9.0 | GHSA-r6c9-g6q5-qrf9 |
Advisories 5
- SUSE-SU-2026:24148-1 Security update for alloy SUSE / openSUSE Security Updates · Oct 16, 2026
- openSUSE-SU-2026:22032-1 Security update for alloy SUSE / openSUSE Security Updates · Oct 9, 2026
- SUSE-SU-2026:4408-1 Security update for alloy SUSE / openSUSE Security Updates · Oct 1, 2026
- openSUSE-SU-2026:11803-1 alloy-1.19.2-1.1 on GA media SUSE / openSUSE Security Updates · Sep 18, 2026
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026