Amazon Linux 2 Security Advisory: ALAS2-2025-3014
Advisory Released Date: 2025-09-29
Advisory Updated Date: 2025-09-29
FAQs regarding Amazon Linux ALAS/CVE Severity
Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access. (CVE-2025-22839)
Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access (CVE-2025-22840)
Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processor with Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2025-22889)
Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2025-26403)
Improperly implemented security check for standard in the DDRIO configuration for some Intel(R) Xeon(R) 6 Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access. (CVE-2025-32086)
Affected Packages:
microcode_ctl
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 microcode_ctl or yum update --advisory ALAS2-2025-3014 to update your system.
System reboot is required in order to complete this update.
i686:
microcode_ctl-2.1-47.amzn2.4.26.i686
microcode_ctl-debuginfo-2.1-47.amzn2.4.26.i686
src:
microcode_ctl-2.1-47.amzn2.4.26.src
x86_64:
microcode_ctl-2.1-47.amzn2.4.26.x86_64
microcode_ctl-debuginfo-2.1-47.amzn2.4.26.x86_64