> USN-8070-1: Linux kernel vulnerabilities

[SOURCE] Ubuntu Security Notices [DATE: 04/03/2026 10:58] [LANGUAGE: EN]

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:
  - x86 architecture;
  - MMC subsystem;
  - Network drivers;
  - USB Device Class drivers;
  - BTRFS file system;
  - File systems infrastructure;
  - XFRM subsystem;
  - IPv4 networking;
  - IPv6 networking;
  - MAC80211 subsystem;
  - Simplified Mandatory Access Control Kernel framework;
(CVE-2021-47599, CVE-2022-48875, CVE-2022-49267, CVE-2024-47659,
CVE-2024-49927, CVE-2024-56548, CVE-2024-56593, CVE-2025-21704,
CVE-2025-40215)

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