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kernel: TCP segments with random offsets allow a remote denial of service (SegmentSmack)

🗓️ 14 Aug 2018 20:23:19Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 1 Views

SegmentSmack flaw in the Linux kernel causes CPU saturation via crafted TCP packets during ongoing sessions.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM API Connect has addressed multiple vulnerabilities in Developer Portal's dependencies - Cumulative list from June 28, 2018 to December 13, 2018
28 Jan 201917:05
–ibm
IBM Security Bulletins		Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801q
10 Oct 201821:05
–ibm
IBM Security Bulletins		Security Bulletin: This Power System update is being released to address CVE-2018-5390
7 Dec 202119:14
–ibm
IBM Security Bulletins		Security Bulletin: IBM API Connect is affected by multiple third-party vulnerabilities (Node.js, nghttp2, Linux, Intel CPU, Android)
31 Oct 201820:10
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM is vulnerable to Using Components with Known Vulnerabilities
3 Dec 201814:30
–ibm
Akamai Blog		Linux Kernel TCP Vulnerability
6 Aug 201816:15
–akamaiblog
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2018-1050)
7 Aug 201800:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2018-1049)
7 Aug 201800:00
–nessus
Tenable Nessus		Arista Networks CloudVision Portal DoS (SA0036)
9 Jul 202000:00
–nessus
Tenable Nessus		Arista Networks EOS/vEOS SegmentSmack TCP DoS (SA0036)
17 Feb 202000:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt0:3.10.0-862.11.6.rt56.819.el7kernel-rt-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debug-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debug-debuginfo-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debug-devel-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debug-kvm-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-kvm-debuginfo0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debug-kvm-debuginfo-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo0:3.10.0-862.11.6.rt56.819.el7kernel-rt-debuginfo-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_640:3.10.0-862.11.6.rt56.819.el7kernel-rt-debuginfo-common-x86_64-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel0:3.10.0-862.11.6.rt56.819.el7kernel-rt-devel-0:3.10.0-862.11.6.rt56.819.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-rt-doc0:3.10.0-862.11.6.rt56.819.el7.noarchkernel-rt-doc-0:3.10.0-862.11.6.rt56.819.el7.noarch.noarch.rpm
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29 May 2026 21:24Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
CVSS 27.8
EPSS0.10596
CWE-400
segment smacklinux kerneltransmission control packetsdenial of serviceprocessor saturation
1