From 732 bytes to nowhere: shutting down Copy Fail in production

Together AI responded to the Copy Fail kernel vulnerability (CVE-2026-31431) by disabling the vulnerable algif_aead module across its infrastructure, unloading it from running kernels and removing the module file to prevent re-loading, as a fleet-level emergency mitigation.

From the source
As soon as working exploit details landed, we focused on the most direct lever available: Stop exposing the vulnerable AF_ALG interface.
together.ai

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Announced: 30 Apr 2026 00:00 UTC
Detected: 03 Aug 2026 21:12 UTC (+95d after)

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