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CVE-2026-45684

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 iov_iter.count as the copy length. When log injection is enabled, a crafted multi-segment writev call can make OBI read and overwrite memory beyond the first segment. This issue has been patched in version 0.9.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b8a4b6a5e52b55d1c140b1ba96c3e1bef3075a29dfbadc317b991652802d3b6c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-126","description":"CWE-126: Buffer Over-read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"opentelemetry-ebpf-instrumentation","vendor":"open-telemetry","versions":[{"status":"affected","version":">= 0.7.0, < 0.9.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-126","description":"CWE-126: Buffer Over-read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0","tags":["x_refsource_MISC"],"url":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-vvmg-8mjr-g6q3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/adp/0/references/0
{"name":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-vvmg-8mjr-g6q3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-vvmg-8mjr-g6q3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63f6b8f6130d40f80b110eb33c5af9d4559faad1433a34362ec496c87bd27461 · sha256:396a562893b7b289… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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