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    Namespace UID/GID Map Modification

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Tim Peck@timpeck
    •updated May 8, 2026•12•0•1,961

    Detects potential user namespace manipulation, a common precursor to kernel namespace exploits like Dirty Frag, by monitoring file modifications to uid_map and gid_map.

    Sigma

    Tags

    TA0005 - Defense EvasionTA0004 - Privilege EscalationT1611 - Escape to HostFile EventFile ModificationLinuxLinux Auditdattack.defense-evasionattack.privilege-escalationattack.t1611

    Found in

    • Dirty Frag Linux Kernel Privilege Escalation VulnerabilityLast updated May 13, 2026
    • Dirty Frag Linux Kernel Privilege Escalation VulnerabilityLast updated May 13, 2026
    • Dirty Frag Linux Kernel Privilege Escalation VulnerabilityLast updated May 12, 2026
    • Dirty Frag Linux Kernel Privilege Escalation VulnerabilityLast updated May 8, 2026

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