CVEvulnerability

CVE-2026-91041

7.8 HIGH Published 2026-10-20 Modified 2026-10-20 Official page ↗
Status
Awaiting Analysis
Published
2026-10-20
Last modified
2026-10-20
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-1284, CWE-787

Description

Mounting an attacker-controlled FAT image with fault tolerance enabled causes an out-of-bounds heap write during log replay. The write is attacker-positioned and attacker-valued, and on a common embedded memory layout it reaches the FX_MEDIA driver callback, giving control of the instruction pointer.

Related

Weakness · CWE (2)

  • CWE-1284 Improper Validation of Specified Quantity in Input weakness
  • CWE-787 Out-of-bounds Write weakness

References