# SUSE Patches Mass Linux Kernel Flaws

Published: 2026-10-16 · Severity: high
Canonical: https://vorant.io/reports/8cbc5de4-1e64-5e27-b034-40605d1bcf5f/suse-patches-mass-linux-kernel-flaws

> CERT-FR details hundreds of Linux kernel vulnerabilities across SUSE products, enabling privilege escalation, DoS, and data exposure.

CERT-FR has published an advisory covering an extensive set of Linux kernel vulnerabilities affecting the full range of SUSE products, including openSUSE Leap, SUSE Linux Enterprise Server, High Availability Extension, High Performance Computing, Live Patching, Real Time, Micro, and SUSE Manager across numerous service packs and versions dating back to SLES 11 SP4. The vulnerabilities, drawn from upstream Linux kernel fixes, collectively allow attackers to cause privilege escalation, remote denial of service, loss of data confidentiality and integrity, and security policy bypass, though the specific impact varies per CVE.

The advisory references over a dozen SUSE security bulletins (SUSE-SU-2026) issued between October 6 and October 15, 2026, each bundling kernel patches for different product lines. No indication is given that any of these vulnerabilities are being exploited in the wild; this is a routine, large-batch kernel update cycle reflecting upstream Linux CVE backporting. Given the sheer number of CVEs (several hundred referenced in the full advisory, truncated here for brevity) spanning multiple kernel subsystems, defenders running any SUSE-based Linux Enterprise or openSUSE Leap system should prioritize patching based on the specific bulletin matching their installed product and version.

Defenders should apply the relevant SUSE-SU updates referenced in the advisory as soon as feasible, verify patch levels across all affected SUSE product lines (including HPC, HA, Real Time, and Manager variants), and monitor kernel subsystems for anomalous behavior consistent with privilege escalation or crash-induced DoS pending patch application.

## Mentioned in this report

- Vulnerabilities: CVE-2022-50645, CVE-2024-26730, CVE-2024-56644, CVE-2025-38704, CVE-2025-39964 (KEV), CVE-2025-40022, CVE-2026-100075, CVE-2026-23352, CVE-2026-31663, CVE-2026-31689, CVE-2026-43409, CVE-2026-43428, CVE-2026-43502, CVE-2026-45834, CVE-2026-45836, CVE-2026-45872, CVE-2026-46044, CVE-2026-46116, CVE-2026-46135, CVE-2026-46149, CVE-2026-46196, CVE-2026-46304, CVE-2026-46312, CVE-2026-52912, CVE-2026-52975, CVE-2026-53037, CVE-2026-53061, CVE-2026-53237, CVE-2026-53266 (KEV), CVE-2026-53284, CVE-2026-53384, CVE-2026-53385, CVE-2026-53400, CVE-2026-63795, CVE-2026-63802, CVE-2026-63883, CVE-2026-63888, CVE-2026-63890, CVE-2026-63897, CVE-2026-63900

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1335

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