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    2 vulnerabilities found for Eclipse ThreadX - USBX by Eclipse Foundation

    CVE-2025-55095 (GCVE-0-2025-55095)

    Vulnerability from nvd – Published: 2026-01-27 15:34 – Updated: 2026-01-27 15:58
    VLAI
    Summary
    The function _ux_host_class_storage_media_mount() is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition. This recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED or EXTENDED_LBA_MAPPED), the code invokes: _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...)); There is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.
    Severity
    4.2 (Medium)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    • CWE-674 - Uncontrolled Recursion
    Assigner
    References
    Impacted products
    Vendor Product Version
    Eclipse Foundation Eclipse ThreadX - USBX Affected: 0 , ≤ 6.4.2 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-55095 (GCVE-0-2025-55095)

    Vulnerability from cvelistv5 – Published: 2026-01-27 15:34 – Updated: 2026-01-27 15:58
    VLAI
    Summary
    The function _ux_host_class_storage_media_mount() is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition. This recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED or EXTENDED_LBA_MAPPED), the code invokes: _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...)); There is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.
    Severity
    4.2 (Medium)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    • CWE-674 - Uncontrolled Recursion
    Assigner
    References
    Impacted products
    Vendor Product Version
    Eclipse Foundation Eclipse ThreadX - USBX Affected: 0 , ≤ 6.4.2 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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