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kernel: TCP-spoofed ghost ACKs and leak leak initial sequence number

🗓️ 08 Jul 2024 02:05:47Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Linux kernel flaw enables TCP ghost ACKs to brute force send window and leak ISN.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64kernel-rt0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-core0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-core-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-core0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-core-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-debuginfo0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-debuginfo-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-devel0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-devel-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-kvm0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-kvm-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-modules-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules-extra0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debug-modules-extra-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debuginfo0:4.18.0-553.8.1.rt7.349.el8_10kernel-rt-debuginfo-0:4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
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28 Jun 2026 12:44Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.5
EPSS0.00227
SSVC
linux kerneltcp spoofingghost acksbrute force windowinitial sequence number
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