CVE Feed

    Dashboard / CVE / CVE-2026-34962

    CVE-2026-34962

    barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_common.c where the ext4fs_iterate_dir() function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a crafted directory entry containing a direntlen value of 0 to cause an infinite loop during directory listing or path resolution, resulting in the boot process hanging indefinitely.

    Published:May 11, 2026
    Last Modified:Jul 18, 2026
    EPS:May 11, 2026
    EPSS Score:0.00131
    CVSS Score:6.2

    Affected Products

    Vendor
    Barebox
    Product
    Barebox
    Vendor
    Pengutronix
    Product
    Barebox

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High