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Mmastodon TechnologyCybersecurity first seen 12 h ago, last 5 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 reported vulnerability in Cloudflare Containers allowed fragments of one customer's data to leak into other tenants' environments. The issue is linked to a thin provisioning flaw involving the skip_block_zeroing parameter, which can leave stale data in uninitialized storage blocks rather than zeroing it out. Security communities are sharing technical details of the flaw and discussing its implications for multi-tenant cloud isolation.

Why now: Cross-tenant data leakage in a widely used cloud platform raises serious concerns about container security and cloud isolation.

Cloudflareskip_block_zeroingCloudflare Containers

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