High [CVE-2026-22984] prevent potential out-of-bounds reads in handle_auth_done()
This high-severity Red Hat Linux advisory covers CVE-2026-22984 affecting Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, kernel-rt.
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Summary
prevent potential out-of-bounds reads in handle_auth_done(). Red Hat rates this moderate (CVSS 7.1).
Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
- kernel-rt-0:4.18.0-553.132.1.rt7.473.el8_10
- kernel-0:4.18.0-372.198.1.el8_6
- kernel-0:5.14.0-284.176.1.el9_2
- kernel-rt-0:5.14.0-284.176.1.rt14.461.el9_2
- kernel-0:5.14.0-570.120.1.el9_6
- kernel-0:4.18.0-477.147.1.el8_8
- kernel-0:4.18.0-553.132.1.el8_10
- kernel-0:5.14.0-427.132.1.el9_4
- kernel-0:5.14.0-687.10.1.el9_8
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:25120
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-2026:25120 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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