发布于3月6日3月6日 Members Amazon Linux AMI 2: CVE-2023-1390: Security patch for kernel (Multiple Advisories) Severity 8 CVSS (AV:N/AC:L/Au:N/C:N/I:N/A:C) Published 03/16/2023 Created 05/28/2024 Added 05/28/2024 Modified 01/28/2025 Description 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. Solution(s) amazon-linux-ami-2-upgrade-bpftool amazon-linux-ami-2-upgrade-bpftool-debuginfo amazon-linux-ami-2-upgrade-kernel amazon-linux-ami-2-upgrade-kernel-debuginfo amazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64 amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64 amazon-linux-ami-2-upgrade-kernel-devel amazon-linux-ami-2-upgrade-kernel-headers amazon-linux-ami-2-upgrade-kernel-livepatch-4-14-219-161-340 amazon-linux-ami-2-upgrade-kernel-tools amazon-linux-ami-2-upgrade-kernel-tools-debuginfo amazon-linux-ami-2-upgrade-kernel-tools-devel amazon-linux-ami-2-upgrade-perf amazon-linux-ami-2-upgrade-perf-debuginfo amazon-linux-ami-2-upgrade-python-perf amazon-linux-ami-2-upgrade-python-perf-debuginfo References https://attackerkb.com/topics/cve-2023-1390 AL2/ALAS-2021-1600 AL2/ALASKERNEL-5.10-2024-058 AL2/ALASKERNEL-5.4-2022-020 CVE - 2023-1390