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Ubuntu Security NoticesUSN-8922-2

USN-8922-2: Linux kernel (Azure) vulnerabilities

Severity not listed 11 CVEs Published Oct 15, 2026 at 2:21 PM UTC

Summary

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

- S390 architecture;

- IIO ADC drivers;

- Multiple devices driver;

- PCI subsystem;

- VFIO drivers;

- Network file system (NFS) server daemon;

- Overlay file system;

- IPv6 networking;

- Netfilter;

View 11 CVE identifiers

Products covered

A separate affected-products list was not included in the collected bulletin.

Remediation

This update corrects flaws in the following subsystems:

  • S390 architecture
  • IIO ADC drivers
  • Multiple devices driver
  • PCI subsystem
  • VFIO drivers
  • Network file system (NFS) server daemon
  • Overlay file system
  • IPv6 networking
  • Netfilter; (CVE-2024-53194, CVE-2024-53214, CVE-2024-56570, CVE-2024-56779, CVE-2024-57849, CVE-2024-57904, CVE-2024-57929, CVE-2025-21664, CVE-2025-38724, CVE-2026-53131, CVE-2026-53221)

CVEs in this advisory 11

Updates

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.