Linux device mapper thin provisioning
AssessTechniques
A storage technique that allocates physical disk blocks only as data is written to a virtual volume.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 8Cloudflare Blog·9/24/2026securityCloudflare fixes cross-tenant data exposure in Containers
Cloudflare says it fully remediated a vulnerability in Cloudflare Containers and Cloudflare Sandboxes that could let a customer recover residual data blocks from another tenant on the same host. The issue stemmed from thin-provisioned storage with block zeroing disabled, and Cloudflare reports no evidence of customer data compromise or malicious exploitation.