🚨 ⚠️ ⚠️ ⚠️ Urgent Linux advisory ⚠️ ⚠️ ⚠️ 🚨
https://www.openwall.com/lists/oss-security/2019/06/17/5
Urgently run the following:
echo 0 | sudo tee /proc/sys/net/ipv4/tcp_sack
On all Linux hosts to work around the issue and then start patching your kernels