Amazon Linux 2 (EOS) Security Advisory: ALAS2DOCKER-2026-140
Advisory Released Date: 2026-09-10
Advisory Updated Date: 2026-09-10
FAQs regarding Amazon Linux ALAS/CVE Severity
Fix GHSA-p7v4-vr35-mj6f; containerd CRI plugin: Checkpoint restore bypasses destination security context.
A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollectionSpec/LoadCollectionSpecFromReader. Such manipulation of the argument offset leads to integer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The name of the patch is 533dfc82fd228bfadf42ea7180c39de7d9af47fa. A patch should be applied to remediate this issue. (CVE-2026-10722)
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root. (CVE-2026-39822)
Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello. (CVE-2026-42505)
Affected Packages:
containerd
Note:
This advisory is applicable to Amazon Linux 2 - Docker Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update containerd or yum update --advisory ALAS2DOCKER-2026-140 to update your system.
aarch64:
containerd-2.2.7-1.amzn2.0.1.aarch64
containerd-stress-2.2.7-1.amzn2.0.1.aarch64
containerd-debuginfo-2.2.7-1.amzn2.0.1.aarch64
src:
containerd-2.2.7-1.amzn2.0.1.src
x86_64:
containerd-2.2.7-1.amzn2.0.1.x86_64
containerd-stress-2.2.7-1.amzn2.0.1.x86_64
containerd-debuginfo-2.2.7-1.amzn2.0.1.x86_64