CVE-2025-54770: Grub2: use-after-free in net_set_vlan

Overview

Severity
Medium (CVSS 4.9)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploit Status
Not Exploited
Patch Tuesday
2025-Nov
Released
2025-11-21
EPSS Score
0.03% (percentile: 8.5%)

Affected Products (2)

Open Source Software

  • cbl2 grub2 2.06-15 on CBL Mariner 2.0
  • azl3 grub2 2.06-25 on Azure Linux 3.0

Revision History

  • 2025-11-21: Information published.