Linux bitten by second severe vulnerability in as many weeks
2026-05-12T08:51:46Z•7dd641d926a365bc6da9c9dfe9f5e476ab42cb6d42856d6d8ff7cabba94ab61f
ai-assisted-bugfindingaspnetbackdoorcanvas-attackcopyfailcredential-theftcritical-infrastructuredaemon-toolseducation-disruptionfirefoxiran-linked-actorskernellinuxmicrosoftmozillamythosopen-source-compromisepatchingpost-quantumransomwarerootsupply-chainubuntu-outagevulnerability
What happened
The Ars Technica security feed (Apr–May 2026) catalogs a string of high-impact incidents and new research: multiple severe Linux vulnerabilities (including the widely reported CopyFail) that threaten multi-tenant servers, CI/CD pipelines, containers and can yield root — with production patches being rushed; an Ubuntu infrastructure outage that impeded coordinated response; an emergency Microsoft update addressing an ASP.NET authentication flaw on macOS and Linux; a monthlong supply‑chain backdoor in the Daemon Tools disk app and related supply‑chain compromises that targeted security vendors (
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- arstechnica_security
- Record identifier
- 7dd641d926a365bc6da9c9dfe9f5e476ab42cb6d42856d6d8ff7cabba94ab61f
- Enrichment time
- 2026-05-12T08:51:46Z
- AI-assisted enrichment
- Yes
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