Medium6.7Vendor: HighRed Hat Linux

Medium [CVE-2026-46331] extend the writable skb range per key

This medium-severity Red Hat Linux advisory covers CVE-2026-46331 affecting NVIDIA for RHEL 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

CVE-2026-46331 Published May 18, 2026

CVE-2026-46331

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

extend the writable skb range per key. Red Hat rates this important (CVSS 6.7).

Weakness: CWE-787. Affected package(s): kernel, rhcos, kernel-rt, kpatch-patch.

Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 18 more.

Affected versions

kernel-0:5.14.0-427.134.1.el9_4
kernel-0:4.18.0-305.195.1.el8_4
rhcos-414.92.202606231112-0
kernel-0:6.12.0-55.82.1.el10_0
rhcos-4.20.9.6.202606241928-0
kernel-rt-0:4.18.0-553.136.1.rt7.477.el8_10
rhcos-416.94.202606230218-0
kernel-0:4.18.0-372.197.1.el8_6
kernel-rt-0:5.14.0-284.177.1.rt14.462.el9_2
kernel-0:6.12.0-211.26.1.el10_2
kernel-0:6.12.0-212.11.el10nv
kernel-0:5.14.0-284.177.1.el9_2

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

Fixed versions

RHSA-2026:27354

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-2026:27354 (`sudo dnf update` / `yum update`).

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

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