High [CVE-2026-45998] Fix potential UAF after skb_unshare() failure
This high-severity Red Hat Linux advisory covers CVE-2026-45998 affecting Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.6 Extended Update Support.
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Summary
Fix potential UAF after skb_unshare() failure. Red Hat rates this important (CVSS 7).
Weakness: CWE-825. Affected package(s): kernel.
Resolved in Red Hat advisory RHSA-2026:34911 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
- kernel-0:6.12.0-211.30.1.el10_2
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
- RHSA-2026:34911
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:34911 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
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