Amazon Linux 2 Security Advisory: ALASKERNEL-5.15-2023-014
Advisory Release Date: 2023-03-17 16:45 Pacific
Advisory Updated Date: 2023-03-21 21:45 Pacific
A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service. (CVE-2022-4129)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
aarch64:
kernel-5.15.93-55.139.amzn2.aarch64
kernel-headers-5.15.93-55.139.amzn2.aarch64
kernel-debuginfo-common-aarch64-5.15.93-55.139.amzn2.aarch64
perf-5.15.93-55.139.amzn2.aarch64
perf-debuginfo-5.15.93-55.139.amzn2.aarch64
python-perf-5.15.93-55.139.amzn2.aarch64
python-perf-debuginfo-5.15.93-55.139.amzn2.aarch64
kernel-tools-5.15.93-55.139.amzn2.aarch64
kernel-tools-devel-5.15.93-55.139.amzn2.aarch64
kernel-tools-debuginfo-5.15.93-55.139.amzn2.aarch64
bpftool-5.15.93-55.139.amzn2.aarch64
bpftool-debuginfo-5.15.93-55.139.amzn2.aarch64
kernel-devel-5.15.93-55.139.amzn2.aarch64
kernel-debuginfo-5.15.93-55.139.amzn2.aarch64
kernel-livepatch-5.15.93-55.139-1.0-0.amzn2.aarch64
i686:
kernel-headers-5.15.93-55.139.amzn2.i686
src:
kernel-5.15.93-55.139.amzn2.src
x86_64:
kernel-5.15.93-55.139.amzn2.x86_64
kernel-headers-5.15.93-55.139.amzn2.x86_64
kernel-debuginfo-common-x86_64-5.15.93-55.139.amzn2.x86_64
perf-5.15.93-55.139.amzn2.x86_64
perf-debuginfo-5.15.93-55.139.amzn2.x86_64
python-perf-5.15.93-55.139.amzn2.x86_64
python-perf-debuginfo-5.15.93-55.139.amzn2.x86_64
kernel-tools-5.15.93-55.139.amzn2.x86_64
kernel-tools-devel-5.15.93-55.139.amzn2.x86_64
kernel-tools-debuginfo-5.15.93-55.139.amzn2.x86_64
bpftool-5.15.93-55.139.amzn2.x86_64
bpftool-debuginfo-5.15.93-55.139.amzn2.x86_64
kernel-devel-5.15.93-55.139.amzn2.x86_64
kernel-debuginfo-5.15.93-55.139.amzn2.x86_64
kernel-livepatch-5.15.93-55.139-1.0-0.amzn2.x86_64