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Security Kernel Security Update for SegmentSmack CVE-2018-5390

Discussion in 'CentOS, Redhat & Oracle Linux News' started by eva2000, Aug 8, 2018.

  1. eva2000

    eva2000 Administrator Staff Member

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    Yet another Linux Kernel Security update. This time for SegmentSmack CVE-2018-5390 which affects both Redhat/CentOS 6 and 7. According to Redhat, updated Kernel for this fix is yet to be released, so keep an eye on updates to SegmentSmack: kernel: tcp segments with random offsets may cause a remote denial of service [CVE-2018-5390] - Red Hat Customer Portal.

    From https://blogs.akamai.com/2018/08/linux-kernel-tcp-vulnerability.html
    From Linux kernel bug: TCP flaw lets remote attackers stall devices with tiny DoS attack | ZDNet

    SegmentSmack CVE-2018-5390 Related links:


    Yum Updates



    Keep an eye on updates to SegmentSmack: kernel: tcp segments with random offsets may cause a remote denial of service [CVE-2018-5390] - Red Hat Customer Portal for news of Redhat/CentOS 6/7 Linux Kernel updates which you would find listing Kernel updates if available via command
    Code (Text):
    yum clean all
    yum list updates
    

    To update kernel if listed and answer yes = y when prompted
    Code (Text):
    yum update
    

    You will need to reboot server after Kernel updates are made
     
    Last edited: Aug 8, 2018
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