Medium6.4Red Hat Linux

Medium [CVE-2026-22998] fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec

This medium-severity Red Hat Linux advisory covers CVE-2026-22998 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 8.

CVE-2026-22998 Published Jan 25, 2026

CVE-2026-22998

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec. Red Hat rates this moderate (CVSS 6.4).

Weakness: CWE-476. Affected package(s): kernel, kernel-rt.

Resolved in Red Hat advisory RHSA-2026:2722 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8.

Affected versions

kernel-0:5.14.0-611.34.1.el9_7
kernel-0:6.12.0-124.38.1.el10_1
kernel-rt-0:4.18.0-553.104.1.rt7.445.el8_10
kernel-0:4.18.0-553.104.1.el8_10

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

Fixed versions

RHSA-2026:2722

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-2026:2722 (`sudo dnf update` / `yum update`).

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

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