Amazon Linux 2023 Security Advisory: ALAS2023-2026-1693
Advisory Released Date: 2026-05-09
Advisory Updated Date: 2026-05-09
Severity:
Important
Issue Overview:
In the Linux kernel, the following vulnerability has been resolved:
xfrm: esp: avoid in-place decrypt on shared skb frags
"Dirty Frag" and other issues in Amazon Linux kernels:
https://aws.amazon.com/security/security-bulletins/2026-027-aws/ (CVE-2026-43284)
Affected Packages:
kernel6.18
Issue Correction:
Run dnf update kernel6.18 --releasever 2023.11.20260509 or dnf update --advisory ALAS2023-2026-1693 --releasever 2023.11.20260509 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
kernel6.18-modules-extra-common-6.18.25-55.108.amzn2023.aarch64
kernel6.18-modules-extra-6.18.25-55.108.amzn2023.aarch64
kernel6.18-headers-6.18.25-55.108.amzn2023.aarch64
perf6.18-6.18.25-55.108.amzn2023.aarch64
python3-perf6.18-6.18.25-55.108.amzn2023.aarch64
bpftool6.18-debuginfo-6.18.25-55.108.amzn2023.aarch64
perf6.18-debuginfo-6.18.25-55.108.amzn2023.aarch64
python3-perf6.18-debuginfo-6.18.25-55.108.amzn2023.aarch64
kernel6.18-tools-6.18.25-55.108.amzn2023.aarch64
kernel6.18-tools-debuginfo-6.18.25-55.108.amzn2023.aarch64
kernel6.18-tools-devel-6.18.25-55.108.amzn2023.aarch64
kernel-livepatch-6.18.25-55.108-1.0-0.amzn2023.aarch64
kernel6.18-6.18.25-55.108.amzn2023.aarch64
bpftool6.18-6.18.25-55.108.amzn2023.aarch64
kernel6.18-debuginfo-6.18.25-55.108.amzn2023.aarch64
kernel6.18-debuginfo-common-aarch64-6.18.25-55.108.amzn2023.aarch64
kernel6.18-devel-6.18.25-55.108.amzn2023.aarch64
src:
kernel6.18-6.18.25-55.108.amzn2023.src
x86_64:
kernel6.18-modules-extra-6.18.25-55.108.amzn2023.x86_64
kernel6.18-tools-devel-6.18.25-55.108.amzn2023.x86_64
python3-perf6.18-debuginfo-6.18.25-55.108.amzn2023.x86_64
bpftool6.18-debuginfo-6.18.25-55.108.amzn2023.x86_64
python3-perf6.18-6.18.25-55.108.amzn2023.x86_64
kernel6.18-tools-debuginfo-6.18.25-55.108.amzn2023.x86_64
perf6.18-debuginfo-6.18.25-55.108.amzn2023.x86_64
bpftool6.18-6.18.25-55.108.amzn2023.x86_64
kernel6.18-modules-extra-common-6.18.25-55.108.amzn2023.x86_64
kernel-livepatch-6.18.25-55.108-1.0-0.amzn2023.x86_64
kernel6.18-tools-6.18.25-55.108.amzn2023.x86_64
kernel6.18-debuginfo-6.18.25-55.108.amzn2023.x86_64
kernel6.18-headers-6.18.25-55.108.amzn2023.x86_64
kernel6.18-6.18.25-55.108.amzn2023.x86_64
kernel6.18-debuginfo-common-x86_64-6.18.25-55.108.amzn2023.x86_64
perf6.18-6.18.25-55.108.amzn2023.x86_64
kernel6.18-devel-6.18.25-55.108.amzn2023.x86_64