High [CVE-2026-31488] Do not skip unrelated mode changes in DSC validation
This high-severity Red Hat Linux advisory covers CVE-2026-31488 affecting Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
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Summary
Do not skip unrelated mode changes in DSC validation. Red Hat rates this important (CVSS 7.8).
Weakness: CWE-1288. Affected package(s): kernel, kernel-rt.
Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; and 2 more.
- kernel-0:5.14.0-687.19.1.el9_8
- kernel-rt-0:4.18.0-553.136.1.rt7.477.el8_10
- kernel-0:4.18.0-553.136.1.el8_10
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:27354
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:27354 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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