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Mmastodon TechnologyCybersecurity first seen 5 h ago, last 4 min ago, peak #3

Cloudflare Containers flaw exposed cross-tenant data fragments

Original: Discover how a Cloudflare Containers data flaw exposed cross-tenant fragments. Learn about the skip_block_zeroing thin p

A security write-up describes a flaw in Cloudflare Containers where data fragments from one customer could potentially be exposed to another. The issue is linked to the skip_block_zeroing behaviour of thin provisioning, meaning storage blocks were not wiped before reuse. Discussion is circulating among cybersecurity communities, raising concerns about isolation guarantees in shared cloud infrastructure.

Why now: Security researchers and practitioners are discussing a newly described isolation bug in a major cloud provider's container platform.

CloudflareCloudflare Containersskip_block_zeroing

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