CVE-2026-10645: zephyr through 4.4.1 (inclusive), 3.5.0 to before 4.3.1, 4.4.0 to before 4.4.1

Affected technology

zephyr · through 4.4.1 (inclusive)
zephyrproject

zephyr · 3.5.0 to before 4.3.1, 4.4.0 to before 4.4.1
zephyrproject

Component: Not specified by the source
Function: then
File: subsys/fs/ext2/ext2_diskops.c, subsys/fs/ext2/ext2_diskops.h, subsys/fs/ext2/ext2_impl.c

Attack conditions (Vendor/CNA, CVSS 3.1): Physical access · No privileges required · User interaction required

Attack conditions (NVD, CVSS 3.1): Local · No privileges required · User interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 4.9/10) rates confidentiality impact as low; integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high.