AWS parallelcluster high security documentation change
Summary
Added release notes for AWS ParallelCluster version 3.15.1 including security patches
Security assessment
The change explicitly documents patching of two CVEs (CVE-2026-31431 and CVE-2025-33219) through kernel module disabling and driver upgrades. This provides concrete evidence of security vulnerability remediation.
Diff
diff --git a/parallelcluster/latest/ug/document_history.md b/parallelcluster/latest/ug/document_history.md index acc22efa9..78abae8ab 100644 --- a//parallelcluster/latest/ug/document_history.md +++ b//parallelcluster/latest/ug/document_history.md @@ -12,0 +13,9 @@ AWS ParallelCluster Change | Description | Date +AWS ParallelCluster version 3.15.1 released | To upgrade, enter the following: `sudo pip install --upgrade aws-parallelcluster`. Changes: + + * Patch official AWS ParallelCluster AMIs to address CVE-2026-31431. + * Disable `algif_aead` kernel module on Ubuntu to address CVE-2026-31431. + * Upgrade NVIDIA driver to version 580.126.20 (from 580.105.08) for all OSs except Amazon Linux 2, addressing CVE-2025-33219. + * Upgrade NVIDIA Fabric manager to 580.126.20 (from 580.105.08) for all OSs except Amazon Linux 2. + * Upgrade NVIDIA IMEX to 580.126.20 (from 580.105.08) for all OSs except Amazon Linux 2. + +| May 28, 2026