CVSS 7.8 (high) · published 2026-10-20
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.
Weakness: CWE-787, CWE-1284
Source: NVD CVE-2026-91041
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