{"schema_version":"onlylabs.public_signal.v1","title":"Scaleway Writing: Zenbleed incident response and vulnerability mitigation","description":"Scaleway writing signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/2d2435ec-8d42-4e01-838c-b4cffae98179","json_url":"https://onlylabs.fyi/signals/2d2435ec-8d42-4e01-838c-b4cffae98179/signal.json","generated_at":"2026-06-07T21:17:02.549901+00:00","org":{"slug":"scaleway","name":"Scaleway","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/scaleway","dossier_json_url":"https://onlylabs.fyi/labs/scaleway/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/2d2435ec-8d42-4e01-838c-b4cffae98179","signal_json":"https://onlylabs.fyi/signals/2d2435ec-8d42-4e01-838c-b4cffae98179/signal.json","source":"https://www.scaleway.com/en/blog/zenbleed-vulnerability/","lab_dossier":"https://onlylabs.fyi/labs/scaleway","lab_dossier_json":"https://onlylabs.fyi/labs/scaleway/dossier.json","analysis":"https://onlylabs.fyi/analysis/scaleway","analysis_json":"https://onlylabs.fyi/analysis/scaleway/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/scaleway/evidence.json","category":"https://onlylabs.fyi/neoclouds","category_json":"https://onlylabs.fyi/neoclouds.json","category_feed":"https://onlylabs.fyi/neoclouds/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml?category=neocloud","data_business":null},"answer_pack":{"answer":"Scaleway published Zenbleed incident response and vulnerability mitigation. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Zenbleed incident response and vulnerability mitigation Deploy • Daniel Maher • 25/07/23 • 2 min read On 24 July 2023 at 14:28 UTC, a vulnerability known as Zenbleed was.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","signal_desk":"talking","source_context":{"source_url":"https://www.scaleway.com/en/blog/zenbleed-vulnerability/","source_host":"scaleway.com","occurred_at":"2021-04-07T00:00:00.000Z","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"page.visible_date","context":null},"context_markers":[{"label":"Lab","value":"Scaleway","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"scaleway.com","source":"source"},{"label":"Author","value":"Daniel Maher","source":"source"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety 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This vulnerability affects a number of AMD processors present in some—but not all—of our DEV1, GP1, and VC Instance offers. If exploited, the vulnerability could allow data to leak between instances, potentially exposing sensitive data if timed correctly. Scaleway engaged our incident response process and by 17:20 UTC all affected machines were patched in order to mitigate the vulnerability. You can check to see if your instance was patched by verifying the output of lscpu from the command line. If the model name is either of “AMD EPYC 7282\" or \"AMD EPYC 7402P”, you can expect a slight performance impact as a result of the mitigation. Furthermore, AMD have released an official microcode update for the affected processors and we will be applying that update over the course of the day (25 July 2023). ⚠️ Note that it is not possible to know whether the vulnerability was exploited on a given instance. If your instance was patched, we advise you to engage your incident..."},"evidence_pages":[{"url":"https://www.scaleway.com/en/blog/zenbleed-vulnerability/","final_url":"https://www.scaleway.com/en/blog/zenbleed-vulnerability/","title":"Zenbleed incident response and vulnerability mitigation","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-07T21:17:02.549901+00:00","bytes":149950,"raw_path":"39c8333b5b09d93afb7f8cc717419fd465eb108b4b47a8e53eb46abd7cb229bd.html","content_hash":"b53a3a0a4243810cc87e83e680345b6c4d882352baf9d64fed1f85450bb6d567","excerpt_chars":1200,"truncated":true,"excerpt":"Zenbleed incident response and vulnerability mitigation Deploy • Daniel Maher • 25/07/23 • 2 min read On 24 July 2023 at 14:28 UTC, a vulnerability known as Zenbleed was made public on the Openwall security mailing list. This vulnerability affects a number of AMD processors present in some—but not all—of our DEV1, GP1, and VC Instance offers. If exploited, the vulnerability could allow data to leak between instances, potentially exposing sensitive data if timed correctly. Scaleway engaged our incident response process and by 17:20 UTC all affected machines were patched in order to mitigate the vulnerability. You can check to see if your instance was patched by verifying the output of lscpu from the command line. If the model name is either of “AMD EPYC 7282\" or \"AMD EPYC 7402P”, you can expect a slight performance impact as a result of the mitigation. Furthermore, AMD have released an official microcode update for the affected processors and we will be applying that update over the course of the day (25 July 2023). ⚠️ Note that it is not possible to know whether the vulnerability was exploited on a given instance. If your instance was patched, we advise you to engage your incident..."}],"related_signals":[{"id":"b0ad8b34-33f4-455d-b0bc-9c40f34e08e5","url":"https://onlylabs.fyi/signals/b0ad8b34-33f4-455d-b0bc-9c40f34e08e5","source_url":"https://www.scaleway.com/en/blog/secnumcloud-strategic-challenges/","title":"SecNumCloud: The Strategic Challenges of The Qualification","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-05-18T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"},{"id":"1ebc5528-9bd0-4245-8610-f28f9e3c5701","url":"https://onlylabs.fyi/signals/1ebc5528-9bd0-4245-8610-f28f9e3c5701","source_url":"https://www.scaleway.com/en/blog/what-is-file-storage/","title":"What is File Storage ?","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-05-11T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"},{"id":"25d2fe5f-0386-4230-88d5-a8441b913ea5","url":"https://onlylabs.fyi/signals/25d2fe5f-0386-4230-88d5-a8441b913ea5","source_url":"https://www.scaleway.com/en/blog/secnumcloud-trusted-cloud-standard/","title":"SecNumCloud: Understanding the trusted cloud standard","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-05-11T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"},{"id":"5ab5596e-ffbc-4a9e-84f9-cb54758bd5ff","url":"https://onlylabs.fyi/signals/5ab5596e-ffbc-4a9e-84f9-cb54758bd5ff","source_url":"https://www.scaleway.com/en/blog/risc-v-servers-in-the-cloud/","title":"How Scaleway brought the first RISC-V servers to the cloud","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-05-04T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"},{"id":"868f0aa0-2b52-47bf-afa3-5b656454f763","url":"https://onlylabs.fyi/signals/868f0aa0-2b52-47bf-afa3-5b656454f763","source_url":"https://www.scaleway.com/en/blog/updates-on-top-level-domain-tld-price-list/","title":"Updates on Top-Level Domain (TLD) price list","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-04-27T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"},{"id":"ee327ff2-954d-407d-8d37-447f25d5ddf5","url":"https://onlylabs.fyi/signals/ee327ff2-954d-407d-8d37-447f25d5ddf5","source_url":"https://www.scaleway.com/en/blog/a-transparent-update-on-scaleway-pricing/","title":"A transparent update on Scaleway pricing","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"scaleway","name":"Scaleway","category":"neocloud"},"occurred_at":"2026-04-27T00:00:00+00:00","first_seen_at":"2026-06-05T22:32:15.955798+00:00","date_source":"source"}]}