High7.8Red Hat Linux Exploited CISA KEV

High [CVE-2026-31431] algif_aead - Revert to operating out-of-place

This high-severity Red Hat Linux advisory covers CVE-2026-31431 affecting NVIDIA for RHEL 10, Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13.

CVE-2026-31431 Published Apr 22, 2026

CVE-2026-31431

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

algif_aead - Revert to operating out-of-place. Red Hat rates this important (CVSS 7.8).

Weakness: CWE-1288. Affected package(s): kernel, rhcos, kernel-rt, kpatch-patch.

Resolved in Red Hat advisory RHSA-2026:13729 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat OpenShift Container Platform 4.12; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; and 63 more.

CISA Known Exploited Vulnerability

Listed:: May 1, 2026 · federal remediation due May 15, 2026
Required action:: "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware use:: Unknown

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

kernel-0:4.18.0-553.123.1.el8_10
rhcos-414.92.202605060243-0
kernel-0:4.18.0-477.139.1.el8_8
rhcos-4.21.9.6.202605051105-0
kernel-rt-0:4.18.0-553.123.1.rt7.464.el8_10
kernel-0:5.14.0-611.54.1.el9_7
kernel-0:4.18.0-372.191.1.el8_6
kernel-0:5.14.0-70.178.1.el9_0
kernel-0:5.14.0-427.124.1.el9_4
kernel-0:6.12.0-211.6.el10nv
kernel-0:6.12.0-211.7.3.el10_2
kernel-rt-0:5.14.0-284.169.1.rt14.454.el9_2

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

Fixed versions

RHSA-2026:13729

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-2026:13729 (`sudo dnf update` / `yum update`).

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

Discussion(0)

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