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A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-develUpgrade bpftoolUpgrade kernel-headersUpgrade kernelUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-livepatch-4.14.219-161.340 | May 28, 2024 | Mar 16, 2023 |
| Amazon_linux | — | Upgrade kernel | May 24, 2024 | Feb 17, 2021 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Mar 22, 2023 | Mar 16, 2023 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Mar 16, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perf | May 9, 2023 | Mar 16, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel | May 10, 2023 | Mar 16, 2023 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Mar 22, 2023 | Mar 16, 2023 |
| Suse | — | Upgrade kernel-symsUpgrade dtb-zteUpgrade kernel-default-manUpgrade kernel-64kb-develUpgrade kernel-zfcpdumpUpgrade kernel-vanillaUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-default-develUpgrade kernel-macrosUpgrade dtb-alUpgrade kernel-devel-azureUpgrade kernel-64kbUpgrade kernel-debug-baseUpgrade kernel-docsUpgrade kernel-rtUpgrade kernel-preemptUpgrade kernel-azure-develUpgrade kernel-default-extraUpgrade kernel-default-baseUpgrade kernel-defaultUpgrade kernel-vanilla-baseUpgrade kernel-vanilla-develUpgrade kernel-azure-baseUpgrade reiserfs-kmp-defaultUpgrade kernel-azureUpgrade kernel-preempt-develUpgrade kernel-source-azureUpgrade kernel-vanilla-livepatch-develUpgrade kernel-zfcpdump-manUpgrade kernel-kvmsmall-baseUpgrade kernel-obs-buildUpgrade kernel-devel | Apr 11, 2023 | Mar 16, 2023 |
| Ubuntu | — | Upgrade linux-image-4.4.0-1119-kvmUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-virtualUpgrade linux-image-awsUpgrade linux-image-4.4.0-240-lowlatencyUpgrade linux-image-4.4.0-240-genericUpgrade linux-image-4.4.0-1156-awsUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-kvmUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.4.0-1118-awsUpgrade linux-image-lowlatencyUpgrade linux-image-generic | May 1, 2023 | Mar 16, 2023 |
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