Amazon Linux 2023: CVE-2022-1055: Important priority package update for kernel
Description
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 A use-after-free vulnerability was found in the tc_new_tfilter function in net/sched/cls_api.c in the Linux kernel. The availability of local, unprivileged user namespaces allows privilege escalation.
Solution(s)
- amazon-linux-2023-upgrade-bpftool
- amazon-linux-2023-upgrade-bpftool-debuginfo
- amazon-linux-2023-upgrade-kernel
- amazon-linux-2023-upgrade-kernel-debuginfo
- amazon-linux-2023-upgrade-kernel-debuginfo-common-aarch64
- amazon-linux-2023-upgrade-kernel-debuginfo-common-x86-64
- amazon-linux-2023-upgrade-kernel-devel
- amazon-linux-2023-upgrade-kernel-headers
- amazon-linux-2023-upgrade-kernel-libbpf
- amazon-linux-2023-upgrade-kernel-libbpf-devel
- amazon-linux-2023-upgrade-kernel-libbpf-static
- amazon-linux-2023-upgrade-kernel-livepatch-6-1-10-15-42
- amazon-linux-2023-upgrade-kernel-tools
- amazon-linux-2023-upgrade-kernel-tools-debuginfo
- amazon-linux-2023-upgrade-kernel-tools-devel
- amazon-linux-2023-upgrade-perf
- amazon-linux-2023-upgrade-perf-debuginfo
- amazon-linux-2023-upgrade-python3-perf
- amazon-linux-2023-upgrade-python3-perf-debuginfo
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