#TCPSack - Twitter Hashtag

over 7 years ago

#SACKPanic Selective Acknowledgments (#TCPSACK) flaws can crash or slow down Linux-based systems. Check if your #Linux systems are affected! In emergency case contact @Seqred_ Kudos to #Netflix engineers. https://t.co/v4OvgCxjHV #otsecurity #vulnerability #device #networking #iot

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Ruggero Tonelli - @ruggero.bsky.social @ruggerotonelli

over 7 years ago

#AWS take on Linux Kernel #TCPSACK Denial of Service Issues https://t.co/ZEkXfn7Qiy #warning, some reboot needed #linux #dos #cloud #vulnerability

ruggerotonelli's tweet photo. #AWS take on Linux Kernel #TCPSACK Denial of Service Issues https://t.co/ZEkXfn7Qiy
#warning, some reboot needed
#linux #dos #cloud #vulnerability https://t.co/fGgJdZRjYd

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Peter Šantavý

@PSantavy

over 7 years ago

And the Netflix original report... Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service vulnerabilities https://t.co/4kTGmr8P1l #TCPSack #Linux #FreeBSD #kernel #vulnerability #CyberSecurity #cybersec #hacking

Peter Šantavý

@PSantavy

over 7 years ago

TCP SACK PANIC - Kernel vulnerabilities - CVE-2019-11477, CVE-2019-11478 & CVE-2019-11479 https://t.co/5UwYXC1lQB #TCPSack #linux #kernel #vulnerability #CyberSecurity #cybersec #hacking

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Joseph Zikusooka (ZIK) @jzikusooka

over 7 years ago

To check if your system is vulnerable run the command: sysctl net.ipv4.tcp_sack If it returns 1 - then disable temporarily: sysctl -w net.ipv4.tcp_sack=0 #tcpsack #Linux #vulnerability @fedora @nixcraft

Joseph Zikusooka (ZIK) @jzikusooka

over 7 years ago

TCP Sack Panic - Kernel vulnerabilities #tcpsack #cybersecurity #Linux #security https://t.co/P77PkAWLiL

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