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kernel: remote DoS in TIPC kernel module

🗓️ 18 Jul 2023 07:48:59Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Remote DoS in Linux kernel TIPC module causes CPU to spike to 100% with two small datagram packets due to tipc_link_xmit misparsing buffers not in queue.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.2ppc64lebpftool4.18.0-193.109.1.el8_2bpftool-4.18.0-193.109.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64bpftool4.18.0-193.109.1.el8_2bpftool-4.18.0-193.109.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lebpftool-debuginfo4.18.0-193.109.1.el8_2bpftool-debuginfo-4.18.0-193.109.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64bpftool-debuginfo4.18.0-193.109.1.el8_2bpftool-debuginfo-4.18.0-193.109.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lekernel4.18.0-193.109.1.el8_2kernel-4.18.0-193.109.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64kernel4.18.0-193.109.1.el8_2kernel-4.18.0-193.109.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2noarchkernel-abi-whitelists4.18.0-193.109.1.el8_2kernel-abi-whitelists-4.18.0-193.109.1.el8_2.noarch.rpm
Red Hat Enterprise Linux8.2ppc64lekernel-core4.18.0-193.109.1.el8_2kernel-core-4.18.0-193.109.1.el8_2.ppc64le.rpm
Red Hat Enterprise Linux8.2x86_64kernel-core4.18.0-193.109.1.el8_2kernel-core-4.18.0-193.109.1.el8_2.x86_64.rpm
Red Hat Enterprise Linux8.2ppc64lekernel-debug4.18.0-193.109.1.el8_2kernel-debug-4.18.0-193.109.1.el8_2.ppc64le.rpm
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28 Jun 2026 12:18Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5
EPSS0.05095
5