Red Hat Security AdvisoryRHSA-2026:67979
microcode_ctl security, bug fix, and enhancement update
Released 2026-09-16 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS (v. 10) microcode_ctl-4:20260812-0.el10_2
Fixes 2 records
Priority LOW 32
Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processors when using Intel(R) TDX within SMM may allow an escalation of privilege.
CVSS 4.0HIGH 7.0· Local · High privileges · No interaction · EPSS 0.00098 · Published 2026-08-11 · Partial fix CWE-1260
Priority LOW 20
Improper handling of values for some Intel(R) Processors within Ring 0: Kernel, Hypervisor and Bare Metal OS may allow an escalation of privilege.
CVSS 4.0MEDIUM 4.5· Local · High privileges · No interaction · EPSS 0.00102 · Published 2026-08-11 · Partial fix CWE-229
