CVE-2025-61664

Summary

A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly unregistered when its related module is unloaded. An attacker can exploit this condition by invoking the command after the module has been removed, causing the system to improperly access a previously freed memory location. This leads to a system crash or possible impacts in data confidentiality and integrity.

Affected Software

VendorProductVersion RangeStatus
GNUgrub20 <= 2.14affected

Weaknesses

  • CWE-825: Expired Pointer Dereference

Workarounds

There is no known mitigation available for this vulnerability.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References