1 link tagged with all of: security + cloudflare + kernel + linux + privilege-escalation
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Cloudflare’s teams quickly reviewed CVE-2026-31431 (“Copy Fail”), confirmed their behavioral detections flagged the exploit within minutes, and found no signs of in-the-wild abuse. They ran fleet-wide threat hunts, deployed a bpf-lsm mitigation, and rolled out updated kernels without impacting services or customer data.
linux
kernel
security
privilege-escalation
cloudflare