High [CVE-2026-31772] fix stack buffer overflow in hci_le_big_create_sync
This high-severity Red Hat Linux advisory covers CVE-2026-31772 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, kernel.
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Summary
fix stack buffer overflow in hci_le_big_create_sync. Red Hat rates this moderate (CVSS 7).
Weakness: CWE-787. Affected package(s): kernel.
Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
- kernel-0:5.14.0-687.17.1.el9_8
- kernel-0:6.12.0-211.26.1.el10_2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:27288
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-2026:27288 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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