When "idle" isn't idle: how a Linux kernel optimization became a QUIC bug
Cloudflare / May 12, 2026
- cwndが最小で固定される
- 送信時のepoch補正が原因
- epochを未来にしない修正
Matched posts: 2
How Cloudflare responded to the “Copy Fail” Linux vulnerability
Cloudflare / May 7, 2026
- Behavioral detection flagged exploit within minutes
- bpf-lsm mitigated exploit without reboot
- No evidence of exploitation; no customer impact
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