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kernel: Linux kernel: Denial of Service via malicious MTU negotiation in TIPC

🗓️ 14 Nov 2023 15:46:57Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Flaw in Linux kernel TIPC enables DoS by crafting Activate message with small MTU during link MTU negotiation, causing overflow and crash.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.9aarch64bpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lebpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.ppc64le.rpm
Red Hat Enterprise Linux8.9s390xbpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.s390x.rpm
Red Hat Enterprise Linux8.9x86_64bpftool4.18.0-513.5.1.el8_9bpftool-4.18.0-513.5.1.el8_9.x86_64.rpm
Red Hat Enterprise Linux8.9aarch64bpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lebpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.ppc64le.rpm
Red Hat Enterprise Linux8.9s390xbpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.s390x.rpm
Red Hat Enterprise Linux8.9x86_64bpftool-debuginfo4.18.0-513.5.1.el8_9bpftool-debuginfo-4.18.0-513.5.1.el8_9.x86_64.rpm
Red Hat Enterprise Linux8.9aarch64kernel4.18.0-513.5.1.el8_9kernel-4.18.0-513.5.1.el8_9.aarch64.rpm
Red Hat Enterprise Linux8.9ppc64lekernel4.18.0-513.5.1.el8_9kernel-4.18.0-513.5.1.el8_9.ppc64le.rpm
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08 Jul 2026 12:22Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00135
3