Amazon Linux 2 Security Advisory: ALAS2-2025-2883
Advisory Released Date: 2025-06-12
Advisory Updated Date: 2025-06-12
Severity:
Important
Issue Overview:
SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted. (CVE-2025-22869)
Affected Packages:
amazon-ssm-agent
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update amazon-ssm-agent to update your system.
New Packages:
aarch64:
amazon-ssm-agent-3.3.2299.0-1.amzn2.aarch64
src:
amazon-ssm-agent-3.3.2299.0-1.amzn2.src
x86_64:
amazon-ssm-agent-3.3.2299.0-1.amzn2.x86_64