发布于3月6日3月6日 Members Amazon Linux AMI 2: CVE-2023-52846: Security patch for kernel (Multiple Advisories) Severity 7 CVSS (AV:L/AC:L/Au:S/C:C/I:C/A:C) Published 05/21/2024 Created 12/13/2024 Added 12/12/2024 Modified 01/30/2025 Description In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail.In that situation, it frees the skb and returns NULL.Meanwhile on the success path, it returns the original skb.So it's straight forward to fix bug by using the returned value. 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-5-10-201-191-748 amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-139-93-147 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-2023-52846 AL2/ALASKERNEL-5.10-2024-061 AL2/ALASKERNEL-5.15-2023-031 CVE - 2023-52846