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kernel-3.10.0-957.21.3.el7 または TCP SACK PANIC CVE の修正を含むカーネルを使用する場合の TCP パフォーマンスの問題と停止

Solution Verified - Updated -

Issue

  • TCP SACK Panic CVE-2019-11478 の 修正を含むカーネルに更新した後、TCP 接続が停止またはタイムアウトします。

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Virtualization 4
  • Red Hat Enterprise MRG 2
  • OpenShift Container Platform 4.1
  • CVE-2019-11477, CVE-2019-11478 & CVE-2019-11479

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