High8.1Red Hat Linux

High [CVE-2026-43112] fix out-of-bounds read in cifs_sanitize_prepath

This high-severity Red Hat Linux advisory covers CVE-2026-43112 affecting Red Hat OpenShift Container Platform 4.22, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

CVE-2026-43112 Published May 6, 2026

CVE-2026-43112

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

fix out-of-bounds read in cifs_sanitize_prepath. Red Hat rates this important (CVSS 8.1).

Weakness: CWE-125. 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 OpenShift Container Platform 4.22; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; and 3 more.

Affected versions

kernel-0:6.12.0-211.30.1.el10_2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:34911

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

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 2 months ago·verify at source

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